Table 1.  . Physical function evaluation results .

	Initial evaluation 15th day	Middle evaluation 29th day	Final evaluation 51st day
Grip (kg)	10.1	8.9	8.3
Knee extension strength (kgf/kg)	0.38	0.46	0.45
Sit-up test (times)	18	18	15
Side-step test (times)	34	36	31
Sit-and-reach test (cm)	22.9	24.5	23.8
6-min walk test (m)	420	490	520