Table 2 Pre-surgery and 12-month post-surgery palmar and radial abduction angles (mean ± standard deviation)
From: Comparison of arthrodesis and arthroplasty of Chinese thumb carpometacarpal osteoarthritis
n | Palmar abduction | Radial abduction | |||
|---|---|---|---|---|---|
Preoperative (°) | Postoperative (°) | Preoperative (°) | Postoperative (°) | ||
Arthrodesis | 22 | 52.6 ± 8.3 | 41.6 ± 5.7 | 45.2 ± 5.2 | 39.2 ± 4.3 |
Arthroplasty | 17 | 54.8 ± 7.2 | 58.9 ± 7.3 | 46.6 ± 7.2 | 52.6 ± 3.6 |
t | 6.021 | 5.917 | |||
P | < 0.001 | < 0.001 | |||