Table 4.

Number of patients with complete median nerve neurotmesis after treatment with different British Medical Research Council motor evaluation indices

	M0	M1	M2	M3	M4	M5	P-value
Experimental group							0.002**
Before treatment	0	3	7	2	0	0
After treatment	0	0	1	8	3	0
Control group							0.025*
Before treatment	0	5	6	0	0	0
After treatment	0	3	5	3	0	0

A higher grade indicates a better level of functioning. Recovery above grade M3 was considered good. Data were analyzed by Wilcoxon signed-rank test. *P < 0.05, **P < 0.01, vs. before treatment.