. 2020 Nov 13;15:532. doi: 10.1186/s13018-020-02075-w

Table 6.

Comparison of JOA scores

JOA scores	Experimental group	Control group	t/t'	P
Subjective symptoms
Preoperation	0.69 ± 0.05	0.71 ± 0.02	0.472	0.846
3 days after operation	3.61 ± 0.82*	3.01 ± 0.63*	0.562	0.793
3 days after operation	t = 3.636, P < 0.05	t = 3.586 P < 0.05	0.562	0.793
Last follow-up	8.31 ± 0.32*	7.75 ± 0.90*	0.592	0.771
Last follow-up	t = 4.543, P < 0.05	t = 4.562, P < 0.05	0.592	0.771
Clinical signs
Preoperation	4.23 ± 1.01	4.21 ± 1.03	0.381	0.996
3 days after operation	5.42 ± 0.38*	5.07 ± 0.84*	0.672	0.702
3 days after operation	t = 3.072, P < 0.05	t = 3.062, P < 0.05	0.672	0.702
Last follow-up	5.53 ± 0.47*	5.39 ± 0.53*	0.432	0.853
Last follow-up	t = 4.252, P < 0.05	t = 4.322, P < 0.05	0.432	0.853
Daily activity limitation
Preoperation	5.07 ± 1.98	5.05 ± 1.95	0.390	0.931
3 days after operation	8.47 ± 2.96*	8.04 ± 2.37*	0.424	0.858
3 days after operation	t = 3.241, P < 0.05	t = 3.211, P < 0.05	0.424	0.858
Last follow-up	12.73 ± 1.25* t = 4.562, P < 0.05	12.02 ± 1.46* t = 4.886, P < 0.05	0.521	0.799
Bladder function
Preoperation	− 4.59 ± 1.82	− 4.63 ± 1.21	0.411	0.864
3 days after operation	− 0.74 ± 0.06*	− 1.02 ± 0.42*	5.213	0.011*
3 days after operation	t = 4.901, P < 0.05	t = 3.021, P < 0.05	5.213	0.011*
Last follow-up	− 0.29 ± 0.02*	− 0.31 ± 0.05*	0.872	0.056
Last follow-up	t = 5.625, P < 0.05	t = 4.952, P < 0.05	0.872	0.056

Values are mean ± SD

*Statistically significant