Table 1.

Patient demographics

Characteristic	Men	Women	p-value
No. of cases	79	46	-
Age (yr)	68.9±8.14	71.9±10.9	0.08
Body mass index (kg/m2)	24.2±3.44	22.8±3.27	0.03*
Estimated blood loss (mL)	60.2±55.3	51.3±54.0	0.38
Operating time (min)	79.0±35.0	68.6±27.9	0.09
No. of resected laminae	1.84±0.98	1.57±0.78	0.11
Follow-up (mo)	27.1±4.59	27.4±4.43	0.14
American Society of Anesthesiologists physical status classification	1.94±0.43	1.89±0.43	0.57

Values are presented as number or mean±standard deviation.

^*p <0.05.