Comparative efficacy analysis of laparoscopic-assisted transanal total mesorectal excision vs laparoscopic transanal mesorectal excision for low-lying rectal cancer

Table 1 Comparison of general data, n (%)

Groups	LapTME group (n = 44)	TaTME group (n = 50)	χ2/t	P value
Age (year)	61.61 ± 9.26	62.98 ± 9.37	0.711	0.479
Body mass index (kg/m2)	23.28 ± 2.68	22.95 ± 2.77	0.585	0.560
Tumor diameter (cm)	3.54 ± 0.75	3.48 ± 0.78	0.379	0.706
Tumor distance from the anal margin (cm)	4.82 ± 1.81	4.93 ± 1.81	0.294	0.769
Sex			0.057	0.811
Male	28 (63.64)	33 (66.00)
Female	16 (36.36)	17 (34.00)
American Society of Anesthesiologists grading			3.197	0.074
I	21 (47.73)	32 (64.00)
I	23 (52.27)	18 (36.00)
Tumor–nodes–metastasis staging			0.437	0.509
I	19 (43.18)	25 (50.00)
II	25 (56.82)	25 (50.00)
Pathological type			0.684	0.408
Adenocarcinoma	34 (77.27)	42 (84.00)
Others	10 (22.73)	8 (16.00)

LapTME: Laparoscopic total mesorectal excision; TaTME: Transanal total mesorectal excision.