Risk factors causing structural sequelae after anastomotic leakage in mid to low rectal cancer

Table 1 Baseline characteristics of patients diagnosed with anastomosis leakage after resection of mid to low rectal cancer (n = 79)

	n (%)	Surgical method	n (%)
Age (yr), median	59
Gender		Conventional	3 (3.8)
Male	55 (69.6)	Laparoscopic	45 (57.0)
Female	24 (30.4)	Robotic	28 (35.4)
BMI (mean, kg/m2)	24.18	Conversion	3 (3.8)
ASA score		Anastomosis method
I	34 (43.0)	Hand-sewn	10 (12.8)
II	43 (54.4)	Stapling	68 (87.2)
III	2 (2.5)	Anastomosis type
Tumor stage		End-to-end	70 (88.6)
0/I	23 (29.1)	End-to-side	5 (6.3)
II	24 (30.4)	Colonic J-pouch	4 (5.1)
III	24 (30.4)	Neoadjuvant chemoradiotherapy	19 (24.1)
IV	8 (10.1)	Transfusion	13 (17.3)

Data are expressed as n (%), mean or median. BMI: Body mass index; ASA: American Society of Anesthesiologists.