Pain Research and Management / 2017 / Article / Tab 4

Research Article

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

Table 4

The relationship between the painDETECT scores and clinical characteristics before surgery.

The data before operation painDETECT (score) (number of hands)
Unlikely NP
(≤12)
Possible NP
(13–18)
Likely NP
(≥19)

Sex (male, female) ( [%])25 (36), 45 (64)12 (40), 18 (60)3 (33), 6 (67)
Age, years (mean ± SD)68.6 ± 9.069.3 ± 9.874.6 ± 10.2
Disease duration, months (mean ± SD)17.9 ± 21.027.1 ± 36.06.9 ± 7.2
Distal latency, msec (mean ± SD)10.1 ± 3.59.9 ± 3.410.5 ± 4.6
S-W test (mean ± SD)4.6 ± 1.14.5 ± 1.35.0 ± 1.3
MMT of APB (mean ± SD)3.5 ± 0.93.8 ± 0.63.2 ± 1.2
Tip pinch (thumb-index), Kgf (mean ± SD)3.6 ± 1.82.1 ± 1.6
Tip pinch (thumb-little), Kgf (mean ± SD)1.1 ± 0.80.6 ± 0.3
Grip power, Kg (mean ± SD)16.3 ± 7.211.5 ± 5.3
Pain score (VAS)
 At entry (mean ± SD)46.0 ± 25.952.9 ± 27.1
 Most severe pain during 4 weeks (mean ± SD)70.2 ± 22.271.3 ± 17.9
 Average pain during 4 weeks (mean ± SD)46.0 ± 25.751.6 ± 16.2
 Night pain (mean ± SD)43.7 ± 35.437.2 ± 31.8
Night pain (existence, nonexistence) ( [%])31 (44), 39 21 (70), 9 (30)6 (67), 3 (33)
DASH score (mean ± SD)30.6 ± 22.123.9 ± 16.125.8 ± 17.0

NP: neuropathic pain; 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; significantly different to Likely NP ; significantly different to Likely NP ; significantly different to Possible NP ; calculated by test.

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