From: Treatment of carpal tunnel syndrome with wrist splinting: study protocol for a randomized placebo-controlled trial
Grade
Motor latencya
Sensory latencyb
Peak latency difference (index-small)c
Inter-peak latency
(ring)
Normal
<0.6
Single peak
Mild
≥0.6
Moderate
Abnormal
>1.2
>1.0
Severe
Absent response