Effect of laparoscopic resection with biodegradable stent on anastomotic leak and reoperation in colorectal cancer

Table 1 Comparison of general clinical data between the two groups of patients, mean ± SD/n

Index	Observation group (n = 60)	Control group (n = 60)	t/χ²	P value
Gender			0.136	0.712
Male	35	33
Female	25	27
Age (years)	56.8 ± 8.2	57.5 ± 7.9	0.458	0.647
Tumor location			0.169	0.681
Colon cancer	28	26
Rectal cancer	32	34
Tumor staging			0.215	0.898
Phase I	15	13
Phase II	30	32
Phase III	15	15
Body mass index (kg/m2)	23.5 ± 2.1	23.8 ± 2.3	0.652	0.516
Underlying disease			0.168	0.681
Yes	22	24
No	38	36