Table 1. Patient characteristics and preoperative findings of physical examination and MRI and/or CT imaging.
| Characteristics | Findings | |
|---|---|---|
| Number of patients | 21 | |
| Sex | 20/21 male | (95% male) |
| Age (y) | 31 | (18–76) |
| Avascular necrosis on MRI | 5/21 | (24%) |
| Sclerotic nonunion | 10/21 | (47%) |
| Proximal pole fracture | 6/21 | (29%) |
| Humpback deformity | 10/21 | (47%) |
| DISI | 9/21 | (43%) |
| SNAC | 6/21 | (29%) |
| Previous surgery | 8/21 | (38%) |
| Average duration of nonunion (mo) | 41 | (6–183) |
Abbreviations: CT, computed tomography; DISI, dorsal intercalated segment instability; MRI, magnetic resonance imaging; SNAC, scaphoid nonunion advanced collapse.