Table 4 Frequency of symptom resolution in hands treated or not treated by surgery according to clinical features assessed at baseline
Clinical feature | Numbness, tingling or pain | Numbness or tingling | ||||||
|---|---|---|---|---|---|---|---|---|
| Â | No surgery | Surgery | No surgery | Surgery | ||||
| Â | N (%) resolved | N (%) resolved | PRRa | PRRb | N (%) resolved | N (%) resolved | PRRa | PRRb |
| Â | Â | Â | (95% CI) | (95% CI) | Â | Â | (95% CI) | (95% CI) |
Distribution of numbness/tingling | Â | Â | Â | Â | Â | Â | Â | Â |
  Other | 22 (32.8) | 2 (15.4) | 0.5 (0.1–2.0) | 0.6 (0.1–2.5) | 31 (46.3) | 6 (46.2) | 1.0 (0.4–2.4) | 1.2 (0.5–3.0) |
  Limited median | 52 (36.6) | 17 (56.7) | 1.5 (0.9–2.7) | 1.7 (0.9–3.1) | 69 (48.6) | 20 (66.7) | 1.4 (0.8–2.3) | 1.5 (0.9–2.6) |
  Extensive median | 89 (32.7) | 52 (47.7) | 1.5 (1.0–2.1) | 1.4 (1.0–2.1) | 116 (42.6) | 70 (64.2) | 1.5 (1.1–2.0) | 1.6 (1.1–2.2) |
Tinel’s and Phalen’s tests |  |  |  |  |  |  |  |  |
  Both negative | 70 (39.1) | 12 (63.2) | 1.6 (0.9–3.0) | 1.5 (0.8–2.7) | 82 (50.3) | 14 (77.8) | 1.5 (0.9–2.7) | 1.4 (0.8–2.6) |
  At least one positive | 80 (31.4) | 53 (46.5) | 1.5 (1.0–2.1) | 1.4 (1.0–2.0) | 106 (42.1) | 74 (65.5) | 1.6 (1.2–2.1) | 1.6 (1.1–2.1) |
  Missing | 20 (29.4) | 6 (28.6) | 1.0 (0.4–2.4) | 0.9 (0.3–2.5) | 28 (42.4) | 8 (38.1) | 0.9 (0.4–2.0) | 0.9 (0.4–2.1) |
Median nerve sensory conduction | Â | Â | Â | Â | Â | Â | Â | Â |
  Normal | 93 (31.5) | 8 (29.6) | 0.9 (0.5–1.9) | 0.9 (0.4–1.9) | 129 (46.1) | 9 (34.6) | 0.8 (0.4–1.5) | 0.8 (0.4–1.6) |
  Abnormal | 57 (34.3) | 51 (50.5) | 1.5 (1.0–2.1) | 1.5 (1.0–2.2) | 67 (41.1) | 72 (72.0) | 1.8 (1.3–2.4) | 1.8 (1.3–2.6) |
  Missing | 20 (48.8) | 12 (46.2) | 0.9 (0.5–1.9) | 1.4 (0.6–3.3) | 20 (52.6) | 15 (57.7) | 1.1 (0.6–2.1) | 1.6 (0.7–3.6) |
All hands | 170 (33.9) | 71 (46.1) | 1.4 (1.0–1.8) | 1.3 (1.0–1.7) | 216 (44.9) | 96 (63.2) | 1.4 (1.1–1.8) | 1.4 (1.1–1.8) |