Table 2.

Demographic data of the study participants.

Patient Who Underwent Laminoplasty (n = 83).
	Lordosis	Non-Lordosis	p-Value *
No. of participants	56 (67.4%)	27 (32.6%)
Sex ratio (M:F)	40:16	19:8	0.921
Age [95% CI]	61.9 [60.4~63.4]	64.8 [62.6~67.0]	0.292

CI, confidence interval. Chi-square test for sex ratio, independent t test for age. * Statistical significance (p < 0.05).