Table 1. Demographics and Clinical Characteristics of Pyoderma Gangrenosum.
| Characteristic | No. (%) | ||
|---|---|---|---|
| All Patients (N = 356) | Age <65 y (n = 243) | Age ≥65 y (n = 113) | |
| Women | 267 (75.0) | 184 (75.7) | 83 (73.5) |
| Age, mean (SD), y | 51.6 (17.7) | 44.1 (13.2) | 74.0 (7.4) |
| Race | |||
| White | 284 (84.8) | 187 (82.0) | 97 (90.7) |
| Black or African American | 40 (11.9) | 34 (14.9) | 6 (5.6) |
| Asian | 5 (1.5) | 4 (1.8) | 1 (0.9) |
| Other | 6 (1.7) | 3 (1.2) | 3 (2.7) |
| Not reported | 21 (5.9) | 15 (6.2) | 6 (5.3) |
| Ethnicity | |||
| Hispanic, Latino, or Spanish origin | 11 (3.1) | 11 (4.5) | 0 |
| Location | |||
| Lower extremity | 220 (61.8) | 151 (62.1) | 69 (61.1) |
| Peristomal | 65 (18.3) | 44 (18.1) | 21 (18.6) |
| Trunk | 57 (16.0) | 37 (15.2) | 20 (17.7) |
| Upper extremity | 21 (5.9) | 11 (4.5) | 10 (8.9) |
| Head or neck | 16 (4.5) | 12 (4.9) | 4 (3.5) |
| Other | 15 (4.2) | 6 (2.5) | 9 (8.0) |
| Multifocal disease | 133 (37.4) | 93 (38.3) | 40 (35.4) |
| Symptoms | |||
| Pain | 307 (86.2) | 208 (85.6) | 99 (87.6) |
| Pathergy | 100 (28.1) | 59 (24.3) | 41 (36.3) |