Relation between handedness and side of worst subjective symptoms at first presentation in neurophysiologically confirmed carpal tunnel syndrome
| Symptoms worse in | Bilateral | ||||||
|---|---|---|---|---|---|---|---|
| Handedness | R only | L only | Equal | R>L | L>R | Total | Worse in non-dominant hand |
| Pearson χ2 statistic for independence: 120.8 on four degrees of freedom, p<0.001. | |||||||
| L, left; R, right. | |||||||
| Right | 411 | 168 | 449 | 962 | 423 | 2413 | 24% |
| 17% | 7% | 19% | 40% | 18% | |||
| Left | 15 | 29 | 19 | 41 | 88 | 192 | 29% |
| 8% | 15% | 10% | 21% | 46% | |||
| Ambidextrous | 5 | 6 | 17 | 14 | 16 | 58 | |
| 9% | 10% | 29% | 24% | 28% | |||
| Total | 426 | 197 | 468 | 1003 | 511 | 2605 | 25% |