The Effect of Carpal Tunnel Release on Neuropathic Pain in Carpal Tunnel Syndrome

Table 2

Findings of the examination before surgery.

Distal latency, msec (mean ± SD)	10.1 ± 3.5
S-W test (mean ± SD)	4.6 ± 1.2
MMT of APB (mean ± SD)	3.6 ± 0.9
Tip pinch (thumb-index), Kgf (mean ± SD)	3.7 ± 1.7
Tip pinch (thumb-little), Kgf (mean ± SD)	1.1 ± 0.6
Grip power, Kg (mean ± SD)	18.5 ± 8.7
Night pain (existence, nonexistence) ( [%])	58 (53%), 51 (47%)
Pain score (VAS)
At entry point (mean ± SD)	28.3 ± 27.8
Most severe pain during 4 weeks (mean ± SD)	49.3 ± 34.7
Average pain during 4 weeks (mean ± SD)	29.7 ± 27.4
Night pain (mean ± SD)	28.8 ± 32.2
DASH score (mean ± SD)	28.4 ± 20.3

SD: standard deviation; S-W test: Semmes-Weinstein Monofilaments test; MMT: Manual Muscle Testing; APB: abductor pollicis brevis; VAS: visual analogue scale; DASH: Disability of Arm, Shoulder, and Hand.