Table IX.
Patient and disease characteristics regarding age
| Characteristics | Number (%) of patients/mean value (SD) |
P value | |
|---|---|---|---|
| <40 years (N = 103) | ≥40 years (N = 264) | ||
| Patient characteristics | .403 | ||
| Sex | |||
| Male | 68 (66.0) | 161 (61.0) | |
| Female | 35 (34.0) | 103 (39.0) | |
| Arthritis | |||
| No | 91 (88.3) | 187 (70.8) | .001∗ |
| Yes | 12 (11.7) | 77 (29.2) | |
| PASI at therapy start | 6.9 (5.5) | 7.0 (6.7) | .929 |
| BMI | 26.6 (7.5) | 29.3 (5.6) | .095 |
| Biologic naïvety | |||
| No | 69 (67.0%) | 172 (65.2) | .807 |
| Yes | 34 (33.0) | 92 (34.8) | |
| Disease characteristics | |||
| Palmar and/or plantar involvement | |||
| No | 94 (91.3) | 232 (87.9) | .368 |
| Yes | 9 (8.7) | 32 (12.1) | |
| Scalp involvement | |||
| No | 69 (67.0) | 224 (84.8) | .000127∗ |
| Yes | 34 (33.0) | 40 (15.2) | |
| Nail involvement | |||
| No | 77 (74.8) | 199 (75.4) | 1.000 |
| Yes | 26 (25.2) | 65 (24.6) | |
| Inverse involvement | |||
| No | 19 (51.3) | 245 (92.8) | .004∗ |
| Yes | 18 (48.7) | 19 (7.2) | |
BMI, Body mass index; PASI, psoriasis area and severity index; SD, standard deviation.
∗
Significant P values are in bold. N = 367