Table 1.

Demographic characteristics of patients undergoing right hemicolectomy stratified by the presence of laparoscopy in Taiwan in the year 2005–2009 (n = 15,633)

Variable	Laparoscopic right hemicolectomy (n = 1313)		Open right hemicolectomy (n = 14,320)		p value
	Total no.	%	Total no.	%
Patient characteristics
Male	674	51.3	7550	52.7	0.334
Age					<0.001
18–24	14	1.1	91	0.6
25–34	59	4.5	447	3.1
35–44	119	9.1	1031	7.2
45–54	224	17.1	2193	15.3
55–64	295	22.5	2713	19.0
>64	602	45.9	7845	54.8
Charlson comorbidity index score					<0.001
0	320	24.4	1896	13.2
1–2	65	5.0	631	4.4
3	489	37.2	4582	32.0
4	130	9.9	1586	11.1
≥5	309	23.5	5625	39.3
Hospital characteristics
Hospital teaching status					<0.001
Yes	1281	97.6	13,339	93.2
Hospital Location					<0.001
Northern	687	52.3	7011	49.0
Central	340	25.9	2796	19.5
Southern	224	17.1	4282	29.9
Eastern	62	4.7	231	1.6
Surgeon characteristics
Male	1304	99.3	14,093	98.4	0.012
Age					<0.001
<40	365	27.8	3650	25.5
40–49	767	58.4	6855	47.9
>49	181	13.8	3811	26.6