Table 5.
The relationship between surgery and investigations/interventions
| Factor | Level | No | Yes | P-value |
|---|---|---|---|---|
| Surgery, n | 117 | 43 | ||
| US, n (%) | No | 92 (80.0) | 33 (76.7) | 0.65 |
| Yes | 23 (20.0) | 10 (23.3) | ||
| MRI, n (%) | No | 66 (56.9) | 22 (51.2) | 0.52 |
| Yes | 50 (43.1) | 21 (48.8) | ||
| X-ray, n (%) | No | 14 (12.0) | 6 (14.0) | 0.74 |
| Yes | 103 (88.0) | 37 (86.0) | ||
| Nerve conduction study, n (%) | No | 105 (89.7) | 42 (97.7) | 0.10 |
| Yes | 12 (10.3) | 1 (2.3) | ||
| Number of investigations, mean (s.d.) | 1.6 (0.8) | 1.6 (0.7) | 0.80 | |
| Analgesia, n (%) | No | 103 (88.0) | 37 (86.0) | 0.74 |
| Yes | 14 (12.0) | 6 (14.0) | ||
| Therapy, n (%) | No | 78 (67.2) | 31 (72.1) | 0.56 |
| Yes | 38 (32.8) | 12 (27.9) | ||
| Injection, n (%) | No | 67 (57.3) | 30 (69.8) | 0.15 |
| Yes | 50 (42.7) | 13 (30.2) | ||
| Splint, n (%) | No | 77 (65.8) | 33 (76.7) | 0.19 |
| Yes | 40 (34.2) | 10 (23.3) | ||
| Number of non-surgical treatments, n (%) | 0 | 30 (25.9) | 0 (0.0) | 0.002** |
| 1 | 44 (37.9) | 18 (41.9) | ||
| 2 | 31 (26.7) | 15 (34.9) | ||
| 3 | 8 (6.9) | 5 (11.6) | ||
| 4 | 3 (2.6) | 4 (9.3) | ||
| 5 | 0 (0.0) | 1 (2.3) |
***P-value < 0.001, **P-value < 0.01, *P-value < 0.05.