Table 4.
Incidence density rates and hazard ratios of chronic fatigue syndrome for different severities of psoriasis
| N | Event no. | Person-years | IR | Crude HR (95% CI) | Adjusted HR (95% CI)a | |
|---|---|---|---|---|---|---|
| Non-psoriasis group | 10,464 | 126 | 55,446 | 2.27 | 1.00 | 1.00 |
| Psoriasis group | ||||||
| Mild psoriasis | 2145 | 40 | 11,494 | 3.48 | 1.53 (1.07–2.19)* | 1.46 (1.02–2.09)* |
| Severe psoriasis | 471 | 10 | 2464 | 4.06 | 1.79 (0.94–3.40) | 1.59 (0.83–3.03) |
IR incidence density rate per 1000 person-years, HR hazard ratio; CI confidence interval
* P < 0.05
aAdjusted for sex, age (continuous), diabetes, depression, anxiety, sleep disorder, and renal disease