Table II.

Comparison of surgical conditions between two groups.

Group	PTED group (n=50)	MED group (n=58)	t	P-value
Operation time (min)	74.23±15.81	49.56±12.56	9.031	<0.001
Length of stay (days)	5.25±1.57	7.19±1.85	5.824	<0.001
Intraoperative blood loss (ml)	17.15±2.12	24.86±3.15	14.674	<0.001
Bed rest time (h)	11.56±5.85	62.95±6.56	42.663	<0.001
Length of surgical incision (cm)	0.75±0.15	1.88±0.22	30.680	<0.001
Number of intraoperative fluoroscopy instructions	19.56±9.56	4.58±1.52	11.771	<0.001