Optimal approach for total endoscopic discectomy and its effect on lumbar and leg function in patients with disc herniation

Table 4 Analysis of dysfunction in the control and observation groups

Group	JOA (points)		ODI (points)
	Before therapy	4 wk of therapy	Before therapy	4 wk of therapy
Observation group (n = 62)	7.71 ± 2.05	2.98 ± 1.26	55.68 ± 2.76	11.68 ± 2.53
Control group (n = 58)	7.93 ± 2.12	3.90 ± 1.61	55.95 ± 1.93	14.98 ± 1.86
t value	0.581	3.472	0.619	8.116
P value	0.562	0.001	0.537	0.000

JOA: Japanese Orthopaedic Association; ODI: Oswestry Disability Index.