Table 1.
Baseline demographic and clinical characteristics.
| Characteristic | Patients (N = 254) |
|---|---|
| Mean (SD) age, y | 60 (7) |
| Male gender, n (%) | 223 (88) |
| Affected hands, n (%) | |
| Both | 115 (45) |
| Left | 62 (24) |
| Right | 77 (30) |
| Affected fingers, n (%) | |
| 1 | 90 (35) |
| 2 | 73 (29) |
| 3 | 38 (15) |
| 4 | 27 (11) |
| 5 | 14 (6) |
| ≥ 6 | 12 (5) |
| Patients by finger affected, n (%) | |
| Little | 191 (75) |
| Ring | 175 (69) |
| Middle | 75 (30) |
| Index | 23 (9) |
| Thumb | 6 (2) |
| Affected joint, n (%) | |
| MP | 392 (58) |
| PIP | 271 (40) |
| DIP | 16 (2) |
DIP: distal interphalangeal; MP: metacarpophalangeal; PIP: proximal interphalangeal.