Effect of preoperative contralateral foramen stenosis on contralateral root symptoms after unilateral transforaminal lumbar interbody fusion: a ambispective cohort study

Table 5 Comparison of clinical effects between group A4 and group B1 (x ± s)

Data/Group		Group A4	Group B1	P Value
VAS score(leg)
	preoperative	7.46 ± 1.34	8.01 ± 1.55	0.081
	3 months after operation	2.16 ± 1.24	1.78 ± 0.94	0.097
	P value	＜0.001	＜0.001
ODI index
	preoperative	57.46 ± 6.34	59.38 ± 8.45	0.961
	3 months after operation	11.20 ± 5.18	12.36 ± 4.71	0.267
	P value	＜0.001	＜0.001

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