Table 2.

The perioperative data

	CLDH	ULDH	p-value
Duration of operation (min)a	64.74 ± 11.82	58.83 ± 15.52	0.087
Frequency of intraoperative fluoroscopyb	6 (5–16)	5 (4–14)	0.090
Hospitalization daysb	3 (2–4)	3 (2–5)	0.777
Blood lossb	5 (2–20)	5 (5–25)	0.187

^aExhibited in the format of “Mean ± standard deviation” and tested by Student’s t test

^bExhibited in the format of “Median (Min-Max)” and tested by Mann-Whitney U test