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Development of a Traditional Chinese Medicine Syndrome-Specific Scale for Ulcerative Colitis: The Large Intestine Dampness-Heat Syndrome Questionnaire.

ABSTRACT: The aim of this study was to develop and validate the large intestine dampness-heat syndrome questionnaire (LIDHSQ) for patients with ulcerative colitis (UC). The domains and items of the LIDHSQ were developed according to standard procedures, namely, construct definition, item generation, language testing, content validity, pilot study, and validation study. At first, a total of 20 items in 3 domains were generated based on literature review and expert consultation. After the item selection, the LIDHSQ contains 11 items in three domains: disease-related domain (diarrhoea, abdominal pain, bloody purulent stool, and mucus stool), heat domain (fever, dry mouth, red tongue, yellow fur, and anal burning), and dampness domain (greasy fur and defecation disorder). The Cronbach's alphas of all domains were greater than 0.6. All of the intraclass correlation coefficients were greater than 0.8. The LIDHSQ and domain scores of the patients with LIDHS were higher than those of the patients with other syndromes (P < 0.001). The area under the receiver operating characteristic curve of the LIDHSQ was 0.900, with a 95% confidence interval of 0.872-0.928. When the cut-off value of the LIDHSQ was ? 7, the sensitivity and specificity were 0.867 and 0.854, respectively. The LIDHSQ is valid and reliable for measuring LIDHS in UC patients with good diagnostic efficacy. We recommend the use of the LIDHSQ in Chinese UC patients.

SUBMITTER: Chen XL

PROVIDER: S-EPMC6077564 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Development of a Traditional Chinese Medicine Syndrome-Specific Scale for Ulcerative Colitis: The Large Intestine Dampness-Heat Syndrome Questionnaire.

Chen Xin-Lin XL Wen Yi Y Wu Zu-Chun ZC Zhang Bei-Ping BP Hou Zheng-Kun ZK Xiao Jun-Lin JL Lin Man-Qing MQ Hu Yue Y Wu Zhe-Li ZL Deng Jie-Min JM Liu Feng-Bin FB Liu Tian-Wen TW

Evidence-based complementary and alternative medicine : eCAM 20180712

The aim of this study was to develop and validate the large intestine dampness-heat syndrome questionnaire (LIDHSQ) for patients with ulcerative colitis (UC). The domains and items of the LIDHSQ were developed according to standard procedures, namely, construct definition, item generation, language testing, content validity, pilot study, and validation study. At first, a total of 20 items in 3 domains were generated based on literature review and expert consultation. After the item selection, th ...[more]

PMID: 30108653

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Project description:BackgroundDue to wide-ranging impacts of Ulcerative Colitis (UC), regulatory authorities emphasize the importance of including validated patient-reported symptom severity measures in clinical trials.AimTo describe the development and validation of the Ulcerative Colitis-Symptom Questionnaire (UC-SQ).MethodsThe UC-SQ was developed in a qualitative study involving a targeted literature review, semi-structured concept elicitation interviews, and combined concept elicitation/cognitive interviews. Measurement properties, including item-level analyses, factor structure, reliability, validity, responsiveness, and clinically meaningful change were evaluated using data from a phase 2b, randomized trial in adults with UC (N = 113).ResultsFourteen symptom concepts were elicited across 22 interviews, with saturation at the fifth interview. Twenty-two items were unmodified as cognitive interview participants interpreted underlying concepts correctly. Instructions were clear and items were relevant, with appropriate response options and recall periods. Reduction to 17 items was completed prior to psychometric testing. Two items (joint pain/constipation) did not contribute to reliability in initial testing and were included as non-scored items. The 15-item UC-SQ showed evidence of internal consistency (α = 0.86) and test-retest reliability (intraclass correlation coefficient = 0.88). The UC-SQ discriminated by disease severity as defined by Mayo and Inflammatory Bowel Disease Questionnaire scores (p < 0.0001). Convergent validity was supported by strong correlations with criterion measures. The UC-SQ was responsive in patients indicating change in other measures. A 10-point decrease from baseline indicated within-patient meaningful improvement.ConclusionsThe UC-SQ is reliable, valid and responsive, with a 10-point improvement estimating within-patient clinically meaningful improvement. The tool is fit-for-purpose as a key endpoint in pivotal UC trials.

Dataset Information

Development of a Traditional Chinese Medicine Syndrome-Specific Scale for Ulcerative Colitis: The Large Intestine Dampness-Heat Syndrome Questionnaire.

Publications

Development of a Traditional Chinese Medicine Syndrome-Specific Scale for Ulcerative Colitis: The Large Intestine Dampness-Heat Syndrome Questionnaire.

Similar Datasets

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