Table I.
Clinical characteristics of patients with acroischemic lesions
| Characteristic∗ | Clinical pattern of acral lesions |
Total (N = 132) | P value† | |
|---|---|---|---|---|
| Chilblain-like (n = 95 [72.0]) | Erythema multiforme-like (n = 37 [28.0]) | |||
| Age, y | 23.4 (2-56) | 12.2 (1-29) | 19.9 (1-56) | <.001 |
| Sex | .415 | |||
| Male | 49 (51.6) | 22 (59.4) | 71 (53.8) | |
| Female | 46 (48.4) | 15 (40.6) | 61 (46.2) | |
| COVID-19 symptoms | 19 (25.0) | 6 (16.2) | 18 (13.6) | .618 |
| Location of skin lesions | ||||
| Hands | 33 (34.7) | 8 (21.6) | 41 (31.1) | .144 |
| Feet | 73 (76.8) | 35 (94.6) | 108 (81.8) | .018 |
| Distribution of skin lesions | ||||
| Digital | 87 (91.6) | 33 (89.2) | 120 (90.9) | .738‡ |
| Dorsal | 23 (24.2) | 12 (32.4) | 35 (26.5) | .336 |
| Ventral | 3 (3.2) | 15 (40.6) | 18 (13.6) | <.001 |
| Heels/wrists | 12 (12.6) | 10 (27.0) | 22 (16.7) | .046 |
| Other | 0 | 2 (5.4) | 2 (1.5) | .077‡ |
| Duration of skin lesions, d | 9.2 (3-24) | 7.4 (2-15) | 8.7 (2-24) | .019 |
∗
Data are presented as the mean (range) or number (%).
†
To compare a qualitative variable with a quantitative one, the Student t parametric test was used after assenting normality. To compare two qualitative variables, the χ2 test or Fisher exact test were used.
‡
Fischer's exact test was used.