Emergency resection surgery for colorectal cancer: Patterns of recurrent disease and survival

Table 2 Patient characteristics for emergency and elective colorectal cancer resection

Variables	Emergency surgery	Elective surgery	P2
n	35	225
Median age in years	70 (41-85)	68 (26-91)	NS
Sex (males/females)	20/15	128/97	NS
Site of CRC			-
Right colon	17 (48.6%)	56 (24.8%)	< 0.001
Left colon	15 (42.9%)	58 (25.8%)	NS
Rectum	3 (8.6%)	111 (49.3%)	< 0.001
Obstruction	26 (74.3%)	21 (0.9%)	< 0.001
Right colon	15 (42.9%)	1 (0.4%)	-
Left colon	10 (28.6%)	0	-
Rectum	1 (2.9%)	1 (0.4%)	-
Perforation	9 (25.7%)	0	< 0.001
Right colon	2 (5.7%)	0	-
Left colon	5 (14.3%)	0	-
Rectum	2 (5.7%)	0	-
Neoadjuvant therapy	1 (2.9%)	53 (23.6%)	0.021
Adjuvant therapy	16 (45.7%)	65 (28.8)	0.047
Poorly differentiated	5 (14.3%)	44 (19.6%)	NS
T4 disease	18 (51.4%)	46 (20.4%)	< 0.001
Positive resection margin	2 (5.7%)	19 (8.4%)	NS
N2 disease	15 (42.9%)	78 (34.7%)	NS
Liver metastasis	16 (42.1%)	30 (13.3%)	< 0.001
Early (< 3 yr)	14 (40.0%)	26 (11.6%)	-
Lung metastasis	3 (8.6%)	10 (4.4%)	NS
Early (< 3 yr)	3 (8.6%)	8 (3.6%)	-
Local metastasis	1 (2.9%)	9 (4.0%)	NS
Early (< 3 yr)	1 (2.9%)	6 (2.7%)	-
Overall recurrence	17 (48.6%)	47 (21.3%)	0.001
Median recurrence in days	280 (112-1155)	420 (70-1855)	NS
Median DFS in days	1120 (105-3892)	2302 (704522)	0.004
Median survival in days	1913 (105-3892)	2359 (194-4522)	0.040

¹Subacute obstructed were managed as a planned resection. Six patients were excluded for missing data from the study cohort of 266 patients;

²Significance at P < 0.05. CRC: Colorectal cancer; DFS: Disease free survival; NS: Not significant.