Table 2. Comparison of outcomes between the transperitoneal and retroperitoneal approaches (including open converted cases).

	Transperitoneal	Retroperitoneal	P value
Number of cases	114	391
Operative time (min)	117.02±54.98	83.65±31.22	0.000*
Estimated blood loss (mL)	161.52, 0–5,800	67.34, 0–1,700	0.193
Time to post-op diet initiation (days)	0.85, 0–5	0.34, 0–5	0.000*
Post-op hospital stay (days)	4.96, 2–21	3.55, 1–25	0.000*
Post-op analgesic use (times)	2.90, 0–14	2.35, 0–15	0.048*
Conversion to other methods†	1	3	0.642
Pos-op complications†	0	1	0.774

^†Fisher’s exact test; *P<0.05. Post-op, postoperative.