Recovery of finger - wrist flexionafter 36 months Finger - elbow flexion frequency percentage (%) M0 6 8, 1 11 M1 - 2 29 39, 2 M3 32 43, 2 M4 7 9, 5 Total 74 100 The recovery rate of finger-wrist flexion of M3 or better at the time of 36 months follow-up was 39/74 (52, 7%).