Dataset Information

Neurocognitive status and risk of mortality among people living with human immunodeficiency virus: an 18-year retrospective cohort study.

ABSTRACT: HIV-related neurocognitive impairment (NCI) may increase the risk of death. However, a survival disadvantage for patients with NCI has not been well studied in the post-combination antiretroviral therapy (cART) era. Specifically, limited research has been conducted considering the reversible nature and variable progression of the impairment and this area demands further evaluation. We performed multivariable Cox proportional hazards modeling to assess the association between baseline NCI (global T scores) and mortality. A joint modeling approach was then used to model the trajectory of global neurocognitive functioning over time and the association between neurocognitive trajectory and mortality. Among the National NeuroAIDS Tissue Consortium's (NNTC) HIV-infected participants, we found a strong negative association between NCI and mortality in the older age groups (e.g., at age?=?55, HR?=?0.79; 95% CI?0.64-0.99). Three neurocognitive sub-domains (abstraction and executive functioning, speed of information processing, and motor) had the strongest negative association with mortality. Joint modelling indicated a 33% lower hazard for every 10-unit increase in global T scores (HR?=?0.67; 95% CI?0.56-0.80). The study identified older HIV-infected individuals with NCI as a group needing special attention for the longevity of life. The study has considerable prognostic utility by not only predicting mortality hazard, but also future cognitive status.

SUBMITTER: Naveed Z

PROVIDER: S-EPMC7881128 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Neurocognitive status and risk of mortality among people living with human immunodeficiency virus: an 18-year retrospective cohort study.

Naveed Zaeema Z Fox Howard S HS Wichman Christopher S CS Alam Morshed M May Pamela P Arcari Christine M CM Meza Jane J Totusek Steven S Baccaglini Lorena L

Scientific reports 20210212 1

HIV-related neurocognitive impairment (NCI) may increase the risk of death. However, a survival disadvantage for patients with NCI has not been well studied in the post-combination antiretroviral therapy (cART) era. Specifically, limited research has been conducted considering the reversible nature and variable progression of the impairment and this area demands further evaluation. We performed multivariable Cox proportional hazards modeling to assess the association between baseline NCI (global ...[more]

PMID: 33580123

Similar Datasets

Project description:BACKGROUND:Extrapulmonary tuberculosis is an emerging public health problem among HIV positives compared to the general population. This study aimed to assess the incidence and predictors of extrapulmonary tuberculosis among people living with HIV in selected health facilities in Addis Ababa, Ethiopia, from 01 January 2013 up to 31 December 2018. METHODS:A retrospective cohort study design was employed based on data collected from 566 HIV positive individuals. Data were entered using EpiInfo version 7.1 and analyzed by SPSS version 20. The incidence rate was determined per 100 person-years. Kaplan-Meier estimates used to estimate survivor and the hazard function, whereas log-rank tests used to compare survival curves and hazard across different categories. Cox proportional hazard model was used to identify the predictors and 95%CI of the hazard ratio were computed. P-value<0.05 in the multivariable analysis was considered statistically significant. RESULTS:Five hundred sixty-six HIV positive individuals were followed for 2140.08 person-years. Among them, 72 developed extrapulmonary tuberculosis that gives an incidence rate of 3.36/100 person-years (95%CI = 2.68-4.22). The most frequent forms of extrapulmonary tuberculosis were; lymph node tuberculosis (56%, 41) followed equally by pleural tuberculosis (15%, 11) and disseminated tuberculosis (15%, 11). The majority (70.83%) of the cases occurred within the first year of follow-up. In multivariable Cox regression analysis, baseline WHO stage III/IV (AHR = 2.720, 95%CI = 1.575-4.697), baseline CD4 count<50cells/μl (AHR = 4.073, 95%CI = 2.064-8.040), baseline CD4 count 50-200 cells/μl (AHR = 2.360, 95%CI = 1.314-4.239) and baseline Hgb<10 mg/dl (AHR = 1.979, 95%CI = 1.091-3.591) were the independent risk factors. While isoniazid prophylaxis (AHR = 0.232, 95%CI = 0.095-0.565) and taking antiretroviral drugs (AHR = 0.134, 95%CI = 0.075-0.238) had a protective benefit. CONCLUSION:Extrapulmonary tuberculosis co-infection was common among HIV positive individuals, and mostly occurred in those with advanced immune suppression. The risk decreases in those taking antiretroviral therapy and took isoniazid preventive treatment. Screening of HIV positives for extrapulmonary tuberculosis throughout their follow-up would be important.

Project description:BackgroundIn Nepal, since 2004, 19,388 people living with HIV (PLHIV) have been enrolled on antiretroviral therapy (ART). The aim of this study was to measure mortality rate and to identify predictors of mortality in adult (≥15 years) PLHIV who initiated ART between 2004 and 2013 in five large ART centers of Nepal.MethodsThis retrospective cohort study of 3,799 (60.5% male) adult PLHIV uses secondary data collected from standard ART registers. Time from ART initiation (baseline) to death or censoring (loss to follow-up or December 31, 2013) was assessed. Mortality rates per 100 person-years were calculated. Kaplan-Meier models were used to estimate the probability of mortality over time. Predictors of mortality were determined using Cox-regression models.ResultsThe overall mortality rate was 6.98 (95% CI: 6.46-7.54) per 100 person-years, 4.11 (95% CI: 3.53-4.79) in females and 9.14 (95% CI: 8.36-9.99) in males. Mortality rates were higher in early months after ART initiation, particularly in the first three months. Baseline predictors of mortality were ART center, male gender (adjusted HR = 2.08, 95% CI: 1.69-2.57), residence outside the ART district (AHR = 1.45, 95% CI:1.19-1.76), World Health Organization clinical stage III (AHR = 1.67, 95% CI: 1.13-2.46) and IV (AHR = 2.21, 95% CI: 1.45-3.36), bedridden <50% time in the last month (AHR = 1.92, 95% CI: 1.52-2.41), bedridden >50% time in the last month (AHR = 3.82, 95% CI: 2.95-4.94), lower bodyweight/kg (AHR = 1.04, 95% CI: 1.03-1.05), CD4 count <150 cell/mm3 (AHR = 2.14, 95% CI: 1.05-4.34) and treatment not switched to second-line regimen (AHR = 3.05, 95% CI: 1.35-6.90).ConclusionsMortality rates were higher soon after ART initiation, particularly in males and gradually decreased over time. Poor baseline clinical characteristics were significantly associated with higher mortality. Increased ART coverage with decentralization of sites to lower levels including community dispensing, differentiated and improved service delivery and initiation of ART at a less advanced disease stage may reduce early mortality.

Dataset Information

Neurocognitive status and risk of mortality among people living with human immunodeficiency virus: an 18-year retrospective cohort study.

Publications

Neurocognitive status and risk of mortality among people living with human immunodeficiency virus: an 18-year retrospective cohort study.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets