Efficacy of laparoscopic low anterior resection for colorectal cancer patients with 3D-vascular reconstruction for left coronary artery preservation

Table 1 Baseline data of included patients [mean ± SD, n (%)]

Clinical features	3D vascular reconstruction group (n = 72)	Non-3D vascular reconstruction group (n = 74)	t value	P value
Gender			0.219	0.64
Male	47 (65.3)	51 (68.9)
Female	25 (34.7)	23 (31.1)
Age (year)	59.75 ± 6.2	58.77 ± 6.1	0.961	0.338
BMI (kg/m2)	24.1 ± 2.2	23.6 ± 2.7	1.123	0.263
Neoadjuvant therapy	12 (16.7)	13 (17.6)	0.021	0.885
ASA score			0.174	0.917
ASA I	24 (33.3.0)	23 (31.3)
ASA II	37 (51.4)	38 (51.4)
ASA III	11 (15.3)	13 (17.6)

BMI: Body mass index; ASA: American Society of Anesthesiology.