Table 4.
Fixed-effect regression results (sex stratification)
| Females | Males | |||
|---|---|---|---|---|
| Variable | Coefficient | 95% CI | Coefficient | 95% CI |
| Constant | 1.2778 *** | 1.0068, 1.5488 | 0.7011 *** | 0.2850, 1.1171 |
| PASI | −0.0281 *** | −0.0360, −0.0201 | −0.0206 *** | −0.0255, −0.0157 |
| PASI squared | 0.0003 *** | 0.0001, 0.0004 | 0.0002 *** | 0.0001, 0.0003 |
| Age | −0.0078 *** | −0.0126, −0.0030 | −0.0046 ** | −0.0085, −0.0007 |
| BMI | −0.0002 ** | −0.0039, 0.0036 | 0.0282 ** | 0.0062, 0.0501 |
| BMI squared | −1.8 × 10−05 *** | −2 × 10−05, −1.5 × 10−05 | −0.0005 *** | −0.0008, −0.0001 |
| Psoriatic arthritis | −0.2795 ** | −0.4940, −0.0650 | 0.0206 | −0.0898, 0.1310 |
| PASI * Age | 0.0001 | 0.0000, 0.0002 | 0.0001 *** | 0.0000, 0.0002 |
| PASI * Psoriatic arthritis | 0.0034 | −0.0008, 0.0077 | −0.0046 *** | −0.0073, −0.0019 |
| Age * Psoriatic arthritis | 0.0046 ** | 0.0010, 0.0081 | −0.0002 | −0.0022, 0.0019 |
| Patients (observations) | 1069 (5392) | 1605 (8652) | ||
*p < 0.10, **p < 0.05, ***p < 0.01; CI Confidence interval