. 2017 Jun 24;23:3088–3094. doi: 10.12659/MSM.901981

Table 4.

The improvement of neurological functions in the case group and control group.

	Pre-operative JOA score	Post-operative JOA score	Improvement rate (%)	P^b
Case group	9.27±1.81	15.77±1.08	80.35±12.05	<0.001^*
Control group	9.12±1.48	14.37±1.71	65.43±22.16	<0.001^*
P-value^a	0.599^*	0.012^*	0.013^*

Use the rank sum test (Mann-Whitney test);

comparisons of the JOA score in the case group and the control group;

comparisons of the preoperative JOA score and the postoperative 12-month JOA score.