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Table 3 Incidence density rates and hazard ratios of chronic fatigue syndrome according to psoriasis status stratified by sex, age, and comorbidity

From: Increased risk of chronic fatigue syndrome following psoriasis: a nationwide population-based cohort study

Variables Non-psoriasis group Psoriasis group Compared to non-psoriasis group
HR (95% CI)
Event no. Person-year IR Event no. Person-year IR Crude Adjusteda
Sex
 Women 71 25,959 2.74 20 6551 3.05 1.11 (0.68–1.83) 1.07 (0.65–1.77)
 Men 55 29,488 1.87 30 7407 4.05 2.17 (1.39–3.39)*** 2.05 (1.31–3.20)**
Age, years
 20–39 48 25,231 1.90 14 6368 2.20 1.16 (0.64–2.10) 1.16 (0.64–2.11)
 40–59 44 19,182 2.29 16 4792 3.34 1.46 (0.82–2.58) 1.26 (0.71–2.45)
 ≥ 60 34 11,034 3.08 20 2797 7.15 2.32 (1.34–4.04)** 2.32 (1.33–4.06)**
Comorbidity statusb
 No 63 41,393 1.52 23 9278 2.48 1.63 (1.01–2.63)* 1.66 (1.03–2.67)*
 Yes 63 14,054 4.48 27 4680 5.77 1.29 (0.82–2.02) 1.29 (0.82–2.03)
  1. IR incidence density rate per 1000 person-years, HR hazard ratio, CI confidence interval
  2. P < 0.05, ** P < 0.01, *** P < 0.001
  3. aModel mutually adjusted for sex, age, diabetes, depression, anxiety, sleep disorder, and renal disease
  4. bPatients exhibiting diabetes, depression, anxiety, sleep disorder, or renal disease were classified as the comorbidity group