Pattern of colorectal surgery and long-term survival: 10-year experience from a single center

Table 1 Patient demographics, tumor characteristics and surgeon specialization

	CS group (n = 1748)	GS group (n = 3393)	P value
Male: Female	1045:703	2029:1364	> 0.05
Median age (years)	62.0 (23-87)	61.0 (17-90)	> 0.05
Primary cancer location			> 0.05
Right-sided colon, n (%)	466 (26.7)	882 (26.0)
Left-sided colon, n (%)	472 (27.0)	971 (28.6)
Rectum, n (%)	791 (45.3)	1495 (44.1)
Multiple, n (%)	19 (1.1)	45 (1.3)
TNM stage, n (%)			> 0.05
In situ	41 (2.3)	91 (2.7)
I	259 (14.8)	626 (18.4)
II	590 (33.8)	1199 (35.3)
III	579 (33.1)	1199 (35.3)
IV	279 (16.0)	278 (8.2)

CS: Colorectal surgeon; GS: General surgeon.

Table 2 Surgical procedures in different periods, n (%)

	CS group	GS group
2008-2010 (the early period)
Laparoscopic	54 (7.3)	166 (12.5)
Robotic	5 (0.7)	0
Open	676 (92.0)	1160 (87.5)
Total	735	1326
2011-2013 (the late period)
Laparoscopic	159 (15.7)	572 (27.7)
Robotic	168 (16.6)	0
Open	686 (67.7)	1495 (72.3)
Total	1013	2067

CS: Colorectal surgeon; GS: General surgeon.

Table 3 Surgical and perioperative management in stage III rectal cancer patients, n (%)

	CS group (n = 287)	GS group (n = 569)
Neoadjuvant radiotherapy/radiochemotherapy
Yes	6 (2.1)	14 (2.5)
No	281 (97.9)	555 (97.5)
Surgical procedures
Minimally invasive	47 (16.4)	149 (26.2)
Open	240 (83.6)	420 (73.8)
Perioperative ERAS treatment
Yes	215 (74.9)	0
No	72 (25.1)	569 (100.0)
Number of lymph nodes removed
< 12	84 (29.3)	217 (38.1)
≥ 12	203 (70.7)	352 (61.9)
Adjuvant chemotherapy/radiochemotherapy
Yes	256 (89.2)	368 (64.7)
No	31 (10.8)	201 (35.3)

CS: Colorectal surgeon; GS: General surgeon.