Table III.

Intraoperative data and post-operative outcomes.

Data/outcome	Laparoscopic (n=80)	Open surgery (n=80)	P-value
Surgery time, min	201.7±6.91	177.2±7.2	0.015
Blood loss, ml	97.25±9.97	221.3±37.46	0.002
Time in days to
First passing flatus	2.34±0.12	3.80±0.17	<0.001
First bowel movement	3.43±0.28	4.87±0.18	0.009
Resume liquid food	3.66±0.15	4.34±0.19	0.015
Walk independently	1.63±0.11	2.22±0.17	0.006
Incision length, cm	5.0±0.18	19.9±0.62	<0.001
Hospital stay, days	9.7±0.59	11.36±0.67	0.007
Treatment costs
Surgery expenditure, thousand yuan RMB	8.1±3.1	3.9±1.1	0.003
Post-surgical costs, thousand yuan RMB	9.6±3.7	10.8±6.5	0.372
Total hospitalization costs, thousand yuan RMB	48.3±10.7	26.9±7.5	<0.001

Data are expressed as the number (%) or mean ± standard deviation values. RMB, Renminbi.