Fig. 1

Evaluation using SF-36. PF physical functioning, RP role-physical, BP bodily pain, GH general health, VT vitality, SF social functioning, RE role-emotional, MH mental health. Preoperative SF-36 evaluation shows scores lower than the Japanese national standard scores in PF, RP, BP, RE, and MH subscales in the sensory disturbance group, and in PF, RP, BP, VT, SF, and RE subscales in the non-sensory disturbance group. Evaluation at 24 months after surgery shows scores higher than national standard scores in all the subscales in both groups, with no significant differences between the two groups. The asterisk indicates p < 0.05. Horizontal line at 50 points on the graph = national standard scores in Japan