Correlation of Two-Point Discrimination and Hand Function Following Median Nerve Injury

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Two-point discrimination (2pd) (moving and static) and object identification were assessed in 43 patients after median nerve repair and graft in the middistal forearm. The mean age was 37 years (range, 16–78 yr). Twenty-six patients underwent primary median nerve repair and 17 had secondary median nerve grafts. The minimum follow-up time was 2 years. The values of moving 2pd and static 2pd ranged from 2 to >16 mm. Both moving 2pd and static 2pd had strong correlational relationships with hand function as measured by object identification. Correlation coefficients for the relationship between 2pd (moving and static) and total objects identified ranged from 0.66 to 0.74.

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