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Table 1 Demographic factors and comorbidity of study participants according to inflammatory bowel disease status

From: Increased risk of chronic fatigue syndrome in patients with inflammatory bowel disease: a population-based retrospective cohort study

Variable Non-IBD group
N = 8652
IBD group
N = 2163
P-value
n % n %
Sex      0.99
 Women 4592 53.07 1148 53.07  
 Men 4060 46.93 1015 46.93  
Age, years      0.99
 20–34 2244 25.94 561 25.94  
 35–49 2812 32.50 703 32.50  
 50–64 2108 24.36 527 24.36  
 ≥ 65 1488 17.20 372 17.20  
Means (SD) 47.40 (16.62) 47.45 (16.52) 0.90
Comorbidity
 Cancers 173 2.00 51 2.36 0.34
 Diabetes 792 9.15 225 10.40 0.08
 Obesity 36 0.42 10 0.46 0.91
 Depression 317 3.66 128 5.92 < 0.001
 Anxiety 502 5.80 226 10.45 < 0.001
 Sleep disorder 1391 16.08 575 26.58 < 0.001
 Renal disease 411 4.75 162 7.49 < 0.0001
  1. IBD inflammatory bowel disease, SD standard deviation
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