Efficacy and safety of short duration radiotherapy combined with chemotherapy for advanced rectal cancer

Table 3 Comparison of operation indices between the two groups, n (%)

Groups	n	Duration of surgery (min)	Intraoperative blood loss (mL)	Anal conservation rate	Postoperative complications
					Surgery incision infection	Anastomotic leakage	Intestinal obstruction
Observation group	50	234.12 ± 24.56	124.78 ± 15.90	45 (90.0)	2 (4.0)	3 (6.0)	2 (4.0)
Control group	50	215.34 ± 26.71	113.61 ± 16.22	44 (88.0)	3 (6.0)	4 (8.0)	1 (2.0)
t/χ2 value		1.21	1.98	0.28	0.11	0.19	0.21
P value		0.54	0.21	0.75	0.87	0.83	0.74