Table 1.
Patient Demographic and Surgical Characteristics of 478 Wrists Undergoing 4-Corner Arthrodesis
| Characteristics | N§ (%) |
|---|---|
| Age at exposure, y, mean (SD) | 56.8 (11.6) |
| Body mass index,∗ kg/m2, mean (SD) | 29.3 (5.2) |
| Race | |
| White | 351 (73) |
| Non-White | 127 (27) |
| Sex | |
| Male | 471 (99) |
| Female | 7 (1) |
| Positive smoking history | |
| Yes | 152 (32) |
| No | 326 (68) |
| Surgical technique | |
| Screws | 154 (32) |
| Plate | 172 (36) |
| Kirschner wires | 134 (28) |
| Staples | 18 (4) |
| Underwent PIN neurectomy | |
| Yes | 191 (40) |
| No | 287 (60) |
| Bone graft used | |
| Yes† | 400 (84) |
| No | 78 (16) |
| SLAC | 381 (80) |
| SNAC | 97 (20) |
| SLAC/SNAC stage‡ | |
| Stages I and II | 259 (54) |
| Stage III | 219 (46) |
∗
For body mass index, 12 wrists were missing these data.
†
Includes both autograft and allograft.
‡
Only 2 wrists with stage I SLAC/SNAC underwent FCA; hence, stages I and II were combined.
§
Unless unit otherwise specified, N = number of wrists of total 478 wrists undergoing FCA.