Miniopen Transforaminal Lumbar Interbody Fusion with Unilateral Fixation: A Comparison between Ipsilateral and Contralateral Reherniation

Table 1

Risk factors data analysis.

Parameters	Group
	Ipsilateral (31)	Contralateral (7)
Age (years)			0.258
Gender (male/female)	19 : 12	3 : 4	0.425
Pain-free interval (months)			0.048
Fused segment
L4-L5	20	2	0.108
L5-S1	11	5

Data presented as mean ± SD. < 0.05 was considered to be significant.