Table 3.
Clinical evaluation of DRUJ stability in the contralateral non-injured DRUJ and the DRUJ with foveal TFCC lesion, before and after surgical treatment. Values are count or mean (95% CI)
| Factor | Non-injured (n = 21) | TFCC lesion | p-value a | p-value b | ||
|---|---|---|---|---|---|---|
| Preoperative (n = 21) | 6 months (n = 19) | 12 months (n = 19) | ||||
| Women/men, n | 10/11 | 10/11 | 8/11 | 8/11 | ||
| Grip strength total (kg) 45 (39–51) | 39 (32–47) | 36 (30–42) | 39 (32–47) | 0.006 | 0.04 c | |
| Women | 33 (29–38) | 25 (20–30) | 23 (17–29) | 25 (17–33) | 0.002 | 0.3 |
| Men | 56 (52–60) | 52 (46–58) | 48 (44–51) | 52 (46–59) | 0.3 | 0.05 c |
| Wrist AROM (°) | ||||||
| Flexion | 78 (73–82) | 70 (65–76) | 67 (62–72) | 68 (62–73) | 0.001 | 0.6 |
| Extension | 74 (70–78) | 67 (61–73) | 68 (64–72) | 66 (61–71) | 0.004 | 0.6 |
| Radial deviation | 22 (19–25) | 20 (17–24) | 18 (16–20) | 19 (17–22) | 0.01 | 0.1 |
| Ulnar deviation | 37 (34–40) | 33 (29–37) | 28 (25–30) | 32 (28–37) | 0.01 | 0.02 d |
| Forearm rotation (°) | ||||||
| Supination | 84 (81–87) | 78 (75–82) | 76 (72–80) | 74 (70–78) | 0.001 | 0.2 |
| Pronation | 81 (77–85) | 79 (74–83) | 77 (73–81) | 79 (75–83) | 0.04 | 0.5 |
| Ballottement test, n e | 21/0/0 | 0/15/6 | 13/6/0 | 13/6/0 | 0.00 | < 0.01 |
DRUJ: distal radioulnar joint, AROM: active range of motion, TFCC: triangular fibrocartilage complex.
a
Preoperative comparison between the healthy arm and the foveal TFCC injury arm.
b
Comparison of the foveal TFCC injury arm over time, from preoperative, to 6-month and 12-month.
c
Statistically significant difference between 6-month and 12-month follow-up.
d
Statistically significant difference between preoperative and 6-month follow-up.
e
Clinical evaluation of DRUJ stability: Slight (< 5 mm)/mild (5–10 mm)/severe instability (> 10 mm).