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The Timed Up and Go test predicts frailty in patients with COPD.

ABSTRACT: The Timed Up and Go (TUG) is a global measure of mobility and has the ability to detect frail individuals. Frail patients with chronic obstructive pulmonary disease (COPD) are usually undiagnosed. We hypothesised that the TUG would identify frail patients with COPD. Frailty was assessed in 520 patients diagnosed with COPD and 150 controls using a Comprehensive Geriatric Assessment questionnaire and frailty index (FI) was derived. The TUG was used to assess physical mobility. All participants were assessed for lung function and body composition. A ROC curve was used to identify how well TUG discriminates between frail and non-frail patients with COPD. The patients with COPD and controls were similar in age, sex and BMI but the patients with COPD were more frail, mean ± SD FI 0.16 ± 0.08 than controls 0.05 ± 0.03, P < 0.001. Frail patients with COPD had a greater TUG time (11.55 ± 4.03 s) compared to non-frail patients (9.2 ± 1.6 sec), after controlling for age and lung function (F = 15.94, P < 0.001), and both were greater than the controls (8.3 ± 1.2 sec), P < 0.001. The TUG discriminated between frail and non-frail patients with COPD with an area under the curve of 72 (95% CI: 67-76), and a diagnostic odds ratio of 2.67 (95% CI:1.5-4.6), P < 0.001. The TUG showed the ability to discriminate between frail and non-frail patients with COPD, independent of age and severity of the airflow obstruction. The TUG is a simple, easy and quick measure that could be easily applied in restricted settings to screen for frailty in COPD.

SUBMITTER: Albarrati AM

PROVIDER: S-EPMC9259691 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Measurement properties of the Timed Up & Go test in patients with COPD.

Project description:We aimed to investigate the construct validity of the Timed Up & Go (TUG) test in chronic obstructive pulmonary disease (COPD), to identify characteristics related to an abnormal TUG time and to examine the responsiveness of the TUG to pulmonary rehabilitation (PR). TUG time was assessed before and after comprehensive PR in 500 COPD patients, and compared cross-sectionally in 100 non-COPD subjects. Physical health outcomes, mental health outcomes, symptom-related outcomes and multidimensional indices were assessed in COPD patients only. Good convergent and discriminant validity was demonstrated by fair-to-moderate correlation with physical health outcomes, symptom-related outcomes and multidimensional indices (r s = 0.18-0.70) and by little correlation with mental health outcomes (r s = 0.21-0.26). COPD patients had a worse TUG time than non-COPD subjects, demonstrating known-groups validity. A TUG time of 11.2 seconds had good sensitivity (0.75) and specificity (0.83) for identifying patients with a baseline 6-minute walk distance <350 m. TUG time improved after PR (p < 0.0001) and a change of 0.9-1.4 seconds was identified as clinically important. The TUG is valid and responsive in COPD. An abnormal result is indicative of poor health outcomes. This simple test provides valuable information and can be adopted in clinical and research settings.

| S-EPMC5734421 | biostudies-other

The Timed Up and Go Test as a Measure of Frailty in Urologic Practice.

Project description:ObjectiveTo evaluate the prevalence of frailty, a known predictor of poor outcomes, among patients presenting to an academic nononcologic urology practice and to examine whether frailty differs among patients who did and did not undergo urologic surgery.MethodsThe Timed Up and Go Test (TUGT), a parsimonious measure of frailty, was administered to patients ages ≥65. The TUGT, demographic data, urologic diagnoses, and procedural history were abstracted from the medical record into a prospective database. TUGT times were categorized as nonfrail (≤10 seconds), prefrail (11-14 seconds), and frail (≥15 seconds). These times were evaluated across age and urologic diagnoses and compared between patients who did and did not undergo urologic surgery using chi-square and t tests.ResultsThe TUGT was recorded for 78.9% of patient visits from December 2015 to May 2016. For 1089 patients, average age was 73.3 ± 6.3 years; average TUGT time was 11.6 ± 6.0 seconds; 30.0% were categorized as prefrail and 15.2% as frail. TUGT times increased with age, with 56.9% of patients age 86 and over categorized as frail. Times varied across diagnoses (highest average TUGT was 14.3 ± 11.9 seconds for patients with urinary tract infections); however, no difference existed between patients who did and did not undergo surgery (P = .94).ConclusionAmong our population, prefrailty and frailty were common, TUGT times increased with age and varied by urologic diagnosis, but did not differ between patients who did and did not undergo urologic surgery, presenting an opportunity to consider frailty in preoperative surgical decision making.

| S-EPMC5522780 | biostudies-literature

Reliability of the triple-timed up-and-go test.

Project description:INTRODUCTION:We report the reliability of a new measure, the triple-timed up-and-go (3TUG) test, for assessing clinical function in patients with Lambert-Eaton myasthenia (LEM). METHODS:Intrarater reproducibility and interrater agreement of the 3TUG test were assessed in 25 control participants, 24 patients with non-LEM neuromuscular disease, and 12 patients with LEM. The coverage probability (CP) method was the primary measure of reproducibility and agreement. The a priori acceptable range was?<?20% difference in 3TUG test times and a CP ?0.90 confirmed agreement. RESULTS:CP values?>?0.90 for intrarater and interrater tests confirmed acceptable reproducibility and agreement for all groups. DISCUSSION:The 3TUG test is a quick, noninvasive, and reproducible measure that is easy to perform, measures clinically important weakness in LEM patients, and requires little training. Additional evaluation in a larger number of LEM patients is in progress to validate the 3TUG test as a clinical measure in LEM. Muscle Nerve 57: 136-139, 2017.

| S-EPMC5702274 | biostudies-literature

Timed up and go test predicts mortality in older adults in Peru: a population-based cohort study.

Project description:BackgroundWhile there is evidence about stablished risk factors (e.g., raised blood pressure) and higher mortality risk in older population, less has been explored about other functional parameters like the Timed Up and Go test and the Gait Speed in older people at low- and middle-income countries. We aimed to study these mobility tests as predictors of mortality in a population of older people in Peru.MethodsPopulation-based prospective cohort study (2013-2020). Random sampling of people aged 60+ years in a community of Lima, Peru. Geriatricians conducted all clinical evaluations and laboratory tests were conducted in the local hospital. Participants were sought in the national vital registration system, and we collated cause (ICD-10) and date of death. We conducted a nested forward multivariate Cox proportional hazard model to identify all potential predictors of all-cause, communicable and non-communicable diseases mortality.ResultsAt baseline, there were 501 older people (mean age 70.6 and 62.8% were women), complete follow-up information was available from 427 people. Mean follow-up time was 46.5 months (SD = 25.3). In multivariate models, the Timed Up and Go test was associated with higher risk of all-cause mortality (HR = 1.05; 95% CI: 1.02-1.09). For cause-specific mortality, history of heart disease (HR = 2.25; 95% CI: 1.07-4.76) and age in years (HR = 1.05; 95% CI: 1.01-1.09) were predictors of non-communicable diseases mortality.ConclusionsIn addition to established risk factors for mortality in older population, the Timed Up and Go test, a functional parameter, raised as a relevant predictor of all-cause mortality.

| S-EPMC8767748 | biostudies-literature

Screening Value of Timed Up and Go Test for Frailty and Low Physical Performance in Korean Older Population: The Korean Frailty and Aging Cohort Study (KFACS).

Project description:BackgroundWe evaluated the validity of the Timed Up and Go test (TUG) to screen for physical frailty and low physical performance in a nationwide community-dwelling Korean older population.MethodsWe used baseline records of 3,010 ambulatory participants with TUG data from the Korean Frailty Aging Cohort Study from 2016 to 2017. The population-specific distribution of TUG was assessed. Physical frailty was defined as ≥3 positive items in the 5-item Cardiovascular Health Study (CHS) frailty scale, and low physical performance was assessed as Short Physical Performance Battery (SPPB) scores ≤9 (ranging from 0 to 12).ResultsIn men (n=1,429) and women (n=1,581), the mean TUG times were 10.3±2.7 seconds and 10.2±3.0 seconds, respectively. The cut-off TUG times for the worst quintile were 11.8 seconds in men and 12.5 seconds in women. The TUG time was correlated with both the CHS frailty scale score (standardized beta [B]=0.36, p<0.001) and SPPB total score (B=-0.22, p<0.001) in the linear regression analysis adjusted for age and sex. In the receiver operating characteristic analysis, the performance of TUG in identifying physical frailty, calculated as the area under the curve (AUC), was 0.87, while the AUC of TUG in identifying low physical performance according to SPPB was 0.86.ConclusionIn the Korean older population, TUG can be a simple measure to identify physical frailty and low physical performance so as to identify populations that may benefit from in-depth geriatric assessments.

| S-EPMC7781966 | biostudies-literature

Validation of the triple timed up-and-go test in Lambert-Eaton myasthenia.

Project description:INTRODUCTION:There are no validated, practical, and quantitative measures of disease severity in Lambert-Eaton myasthenia (LEM). METHODS:Data from the Effectiveness of 3,4-Diaminopyridine in Lambert-Eaton Myasthenic Syndrome (DAPPER) trial were analyzed to assess triple timed up-and-go (3TUG) reproducibility and relationships between 3TUG times and other measures of LEM severity. RESULTS:The coverage probability technique showed ?0.90 probability for an acceptable 3TUG difference of ?0.2, indicating that it is reproducible in LEM patients. The correlation between 3TUG times and lower extremity function scores was significant in subjects who continued and in those who were withdrawn from 3,4-diaminopyridine free base. Worsening patient-reported Weakness Self-Assessment Scale and Investigator Assessment of Treatment Effect scores corresponded with prolongation of 3TUG times. DISCUSSION:The 3TUG is reproducible, demonstrates construct validity for assessment of lower extremity function in LEM patients, and correlates with changes in patient and physician assessments. These findings, along with prior reliability studies, indicate 3TUG is a valid measure of disease severity in LEM.

| S-EPMC7357813 | biostudies-literature

Timed up and go test at tap test and shunt surgery in idiopathic normal pressure hydrocephalus.

Project description:BackgroundThe 3-meter Timed Up and Go test (TUG) is a reliable quantitative test for assessment of gait and balance. We aimed to establish an optimal threshold of TUG at the tap test for predicting outcomes 12 months after shunt surgery in patients with idiopathic normal pressure hydrocephalus (iNPH).MethodsThe TUG was measured in a total of 151 patients with possible iNPH before and after a tap test and 12 months after shunt surgery. Among them, 81 patients underwent ventriculoperitoneal shunt implantation (SINPHONI) and 70 underwent lumboperitoneal shunt implantation (SINPHONI-2). The areas under the curve (AUCs), sensitivities, and specificities for predicting shunt effectiveness were assessed.ResultsThe simple differences of time on TUG at the tap test were significantly more accurate for predicting shunt effectiveness than percent improvement of time. The highest AUC for the synchronized moving cutoff point of TUG time was 0.81 (sensitivity 81.0%; specificity 81.6%) at the threshold of 5 seconds in the SINPHONI-2. For predicting improvements of ≥10 seconds 12 months after lumboperitoneal shunt implantation, the AUC was 0.90, and the sensitivity and specificity at the threshold of 5.6 seconds were 83.3% and 81.0%. Only for patients with a <5-second improvement at the tap test, ventriculoperitoneal shunt implantation conveyed significantly better improvements in TUG time 12 months after surgery than lumboperitoneal shunt implantation.ConclusionsAn improvement of 5 seconds was a useful threshold of TUG time at the tap test for predicting a ≥10-second improvement 12 months after shunt surgery, rather than the percent improvement of TUG time.

| S-EPMC5669413 | biostudies-literature

Absolute and Relative Reliability of the Timed 'Up & Go' Test and '30second Chair-Stand' Test in Hospitalised Patients with Stroke.

Project description:The timed 'Up & Go' test and '30second Chair-Stand' test are simple clinical outcome measures widely used to assess functional performance. The reliability of both tests in hospitalised stroke patients is unknown. The purpose was to investigate the relative and absolute reliability of both tests in patients admitted to an acute stroke unit.Sixty-two patients (men, n = 41) attended two test sessions separated by a one hours rest. Intraclass correlation coefficients (ICC2,1) were calculated to assess relative reliability. Absolute reliability was expressed as Standard Error of Measurement (with 95% certainty-SEM95) and Smallest Real Difference (SRD) and as percentage of their respective means if heteroscedasticity was observed in Bland Altman plots (SEM95% and SRD%).ICC values for interrater reliability were 0.97 and 0.99 for the timed 'Up & Go' test and 0.88 and 0.94 for '30second Chair-Stand' test, respectively. ICC values for intrarater reliability were 0.95 and 0.96 for the timed 'Up & Go' test and 0.87 and 0.91 for '30second Chair-Stand' test, respectively. Heteroscedasticity was observed in the timed 'Up & Go' test. Interrater SEM95% ranged from 9.8% to 14.2% with corresponding SRD% of 13.9-20.1%. Intrarater SEM95% ranged from 15.8% to 18.7% with corresponding SRD% of 22.3-26.5%. For '30second Chair-Stand' test interrater SEM95 ranged between 1.5 and 1.9 repetitions with corresponding SRD of 2 and 3 and intrarater SEM95 ranged between 1.8 and 2.0 repetitions with corresponding SRD values of 3.Excellent reliability was observed for the timed 'Up & Go' test and the '30second Chair-Stand' test in hospitalised stroke patients. The thresholds to detect a real change in performance were 18.7% for the timed 'Up & Go' test and 2.0 repetitions for the '30second Chair-Stand' in groups of patients and 26.5% and 3 repetitions in individual patients, respectively.

| S-EPMC5087865 | biostudies-literature

Predicting Advanced Balance Ability and Mobility with an Instrumented Timed Up and Go Test.

Project description:Extensive test batteries are often needed to obtain a comprehensive picture of a person's functional status. Many test batteries are not suitable for active and healthy adults due to ceiling effects, or require a lot of space, time, and training. The Community Balance and Mobility Scale (CBMS) is considered a gold standard for this population, but the test is complex, as well as time- and resource intensive. There is a strong need for a faster, yet sensitive and robust test of physical function in seniors. We sought to investigate whether an instrumented Timed Up and Go (iTUG) could predict the CBMS score in 60 outpatients and healthy community-dwelling seniors, where features of the iTUG were predictive, and how the prediction of CBMS with the iTUG compared to standard clinical tests. A partial least squares regression analysis was used to identify latent components explaining variation in CBMS total score. The model with iTUG features was able to predict the CBMS total score with an accuracy of 85.2% (84.9-85.5%), while standard clinical tests predicted 82.5% (82.2-82.8%) of the score. These findings suggest that a fast and easily administered iTUG could be used to predict CBMS score, providing a valuable tool for research and clinical care.

| S-EPMC7506906 | biostudies-literature

Timed Up and Go predicts functional decline in older patients presenting to the emergency department following minor trauma†.

Project description:Backgroundthere is no standardised test for assessing mobility in the Emergency Department (ED).Objectivewe wished to evaluate the relationship between the Timed Up and Go (TUG) and frailty, functional decline and falls in community dwelling elders that present to the ED following minor trauma.Methodsthis was a secondary analysis of a prospective cohort study conducted at eight Canadian hospitals. Evaluations included: TUG; Study of Osteoporotic Fractures Frailty Index; Older American Resources and Service Functional Scale; and self-reported falls. Of note, 3- and 6-month follow-up was conducted. Generalised linear model with log-binomial distribution was utilised. Relative risks (RR) and 95% CI were calculated.ResultsTUG scores were available for 911/2918 patients, mean age 76.2 (SD 7.8) and 57.9% female. There was an association between TUG scores and frailty (P < 0.05) and functional decline at 3 (P < 0.05) and 6 (P < 0.05) months but not self-reported falls. For TUG scores 10-19 seconds, 20-29 seconds and ≥30 seconds, respectively: (i) frailty RR (95% CI): 1.8 (1.3-2.4), 3.0 (2.2-4.2) and 3.7 (2.6-5.1); (ii) functional decline RR (95% CI): 2.7 (1.1-6.4), 5.5 (2.1-14.3) and 8.9 (3.0-25.8); (iii) falls RR (95% CI): 0.9 (0.5-1.5), 1.3 (0.6-2.5) and 1.1 (0.4-3.5).Conclusionin community dwelling elders presenting to the ED following minor trauma, TUG scores were associated with frailty and strongly associated with functional decline at 3 and 6 months post injury. TUG scores were not associated with self-reported falls. Use of the TUG in the ED will help identify frail patients at risk of functional decline.

| S-EPMC5385920 | biostudies-literature

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