Table 2. Preoperative Evaluation and Corrective Osteotomy Planning in Two Groups.
| Variable | Lichtman stage IIIB/IV (group A, n = 11) | Lichtman stage IIIA (group B, n = 14) | p-value |
|---|---|---|---|
| Radiological measurement | |||
| Ulnar variance (mm) | –1.3 (–2.8 to 1.1) | –0.4 (–2.5 to 4.1) | 0.317 |
| Radial inclination angle (°) | 26.3 (22–32.5) | 26.9 (25–29.8) | 0.317 |
| Radioscaphoid angle (°) | 63.4 (53.2–74) | 50.6 (40–59) | < 0.001 |
| Carpal height ratio | 0.48 (0.42–0.56) | 0.50 (0.47–0.53) | 0.134 |
| Stahl index | 0.35 (0.19–0.45) | 0.50 (0.38–0.55) | < 0.001 |
| Clinical evaluation | |||
| Wrist flexion/extension angle (%)* | 63.9 (30–93.8) | 62.5 (28.1–95.5) | 0.936 |
| Grip strength (%)* | 45.9 (20–83.3) | 49.3 (10–100) | 0.936 |
| DASH score | 37.7 (6.7–61.6) | 38.1 (2.5–70) | 0.767 |
| Planned extent of correction | |||
| Ulnar variance (mm) | 1.6 (0–3) | 1.4 (0–3) | 0.727 |
| Radial inclination angle (°) | 5.9 (5–8) | 7.0 (5–10) | 0.085 |
Values are presented as mean (range).
DASH: Disabilities of the Arm, Shoulder and Hand.
*Percentage of the affected to the normal contralateral hand.