Wrist joint activity during follow-up and radiographic assessment
| Joint never active | Joint active | |
| Poznanski Z score (cutoff±0.25) | ||
| Negative, n (%) | 12 (28) | 31 (72) |
| Normal, n (%) | 5 (26) | 14 (74) |
| Positive, n (%) | 9 (28) | 23 (72) |
| Poznanski Z score (cutoff±1) | ||
| Negative, n (%) | 3 (30) | 7 (70) |
| Normal, n (%) | 18 (25) | 55 (75) |
| Positive, n (%) | 5 (45) | 6 (55) |