Table 4.

Comparison of lumbar function between the two groups (x̅±s, score).

Group (n)	ODI score		JOA score
	Before therapy	After treatment	Before therapy	After treatment
Control group (n = 63)	45.45 ± 5.76	24.66 ± 4.17a	8.01 ± 2.16	16.88 ± 3.76a
Observation group (n = 63)	44.50 ± 5.70	17.03 ± 3.75a	8.00 ± 2.19	22.57 ± 3.03a
t	0.049	10.799	0.026	9.353
P	0.961	<0.001	0.979	<0.001

^aCompared with the same group before treatment, P < 0.05.