Laparoscopic versus Open Surgery for Colorectal Cancer: A Retrospective Analysis of 163 Patients in a Single Institution

Table 1

Patient and tumor characteristics.

	LCRS group; ()	OCRS group; ()
Age (y), mean SD	57.7 9.2	62.3 11.1	NS
Gender (male/female)	38/27	56/42	NS
ASA (%)			NS
I	16 (25)	22 (22)
II	29 (44)	45 (46)
III	20 (31)	31 (32)
Tumor distribution (%)			NS
Right colon	17 (26)	31 (32)
Left colon	6 (9)	7 (7)
Sigmoid colon	13 (20)	24 (24)
Rectum	29 (45)	36 (37)
Operation (%)			NS
Right hemicolectomy	17 (26)	31 (32)
Left hemicolectomy	6 (9)	7 (7)
Sigmoid resection	11 (17)	10 (10)
Anterior resection	9 (14)	21 (21)
Low anterior resection	22 (34)	29 (30)
Protective ileostomy: yes (%)	19 (29)	23 (23)	NS
Neoadjuvant chemoradiotherapy: yes (%)	17 (26)	22 (22)	NS

NS: not significant. ASA: American Society of Anesthesiologist.
^*Chi-square test.