Table 4.

Complication in PTR compared with elective surgery for stages 0 to III in our hospital

		PTR ( N  = 42)	Control ( N  = 352)	P value
Mortality		0%	0%	N.A.
Morbidity	Overall	18 (42.9%)	98 (28.7%)	0.0498
	>Grade 3	6 (14.3%)	38 (10.7%)	0.445
	Postoperative ileus	6 (14.3%)	29 (8.2%)	0.244
	Leakage	3 (7.1%)	20 (5.7%)	0.731
	Surgical site infection	5 (11.9%)	32 (9.1%)	0.574

PTR: primary tumor resection group. Control: groups in which elective surgery for stages 0 to III CRC were performed between 2010 and 2012 in our hospital. N.A.: not available. Variables were statistically analyzed by Fisher’s exact test.