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Understanding fatigue among Japanese patients with inflammatory bowel disease: insights from international
Makoto Tanaka1, Momoko Takai2, Sayaka Wakai1
1Graduate School of Health Care Sciences, Institute of Science Tokyo, Tokyo, Japan.
Background/Aims:
Fatigue is a common symptom in patients with inflammatory bowel disease (IBD). The Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F) scale has demonstrated reliability and validity in assessing fatigue in patients with IBD and is used worldwide. This study aimed to examine the current state of fatigue among Japanese patients with IBD using the FACIT-F scale and to compare these findings with data from global studies through a systematic review.
Methods:
Data from 488 patients with IBD treated at a specialized IBD clinic were analyzed. Patient characteristics, such as sex, age, disease duration, disease activity, FACIT-F scores, and sleep duration, were collected. A literature search identified 8 studies that met our inclusion criteria for an international comparison. A meta-analysis was performed on the Fatigue Subscale (FS) scores of FACIT-F to estimate the pooled mean.
Results:
The mean FACIT-F (FS) score in this study was 39.9 ± 8.6. Four variables were significantly associated with fatigue: low Emotional Well-Being subscale scores, sleep duration < 6 hours, albumin level below the reference value, and being unmarried. The meta-analysis revealed that the pooled mean score was 40.2 (95% confidence interval, 39.5-40.9), and between-study heterogeneity was moderate (I2 = 41%).
Conclusions:
The FACIT-F (FS) scores and related factors in Japanese patients with IBD demonstrated a similar trend to those in other countries. These findings can be used to identify patients in need of support and to consider interventions for modifiable factors. This study will help promote international collaborative research.
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