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Table 2 Comparison of the preoperative and postoperative grading scale scores of the non-improvement group

From: Clinical predictors of surgical outcomes of severe carpal tunnel syndrome patients: utility of palmar stimulation in a nerve conduction study

Patient
age (y) and sex
Preoperative score Preoperative wrist amp
CMAP (mV)/SNAP (μV)
Preoperative palmar amp
CMAP (mV)/SNAP
(μV)
Postoperative score
74, M 5 0.38/null 0.36/null 5
81, M 6 null/null null/null 5
81, M 6 null/null null/4.5 5
62, F 6 null/null 1.8/null 6
61, F 6 0.09/null 2.8/null 5
91, F 6 null/null null/null 6
68, M 6 null/null 3.6/null 6
55, M 6 1.7/null 2.2/null 5
55, M 6 3.3/null 5.1/null 5
59, M 5 1.2/null 2.3/null 5
60, F 6 null/null 6.0/null 6
  1. M Male, F Female, mV Millivolts, μV Microvolts, amp Amplitude, CMAP Compound muscle action potential, SNAP Sensory nerve action potential