Table 2.

Presence of spondylolisthesis in the groups

	Group 1	Group 2	p*
Not spondylolisthesis	56 (82.4%)	50 (75.8%)	0.507
Grade 1 spondylolisthesis	12 (17.6%)	14 (21.2%)	0.712
Grade 2 spondylolisthesis	0 (0.0%)	2 (3.0%)	0.306

*Chi-Square test