Short- and long-term outcomes following laparoscopic vs open surgery for pathological T4 colorectal cancer: 10 years of experience in a single center

Table 1 Clinical information of 211 colorectal cancer cases

Clinical information		LAP	OPEN	P value
		n = 101	n = 110
Age	> 60 yr	55	58	0.270
	≤ 60 yr	46	52
Gender	Male	67	66	0.392
	Female	34	44
BMI (kg/m2)	< 24	67	73	0.348
	≥ 24	34	37
Comorbidities	Yes	39	42	1.000
	No	62	68
ASA score	I	8	9	0.715
	II	63	72
	III	30	29
Tumor location	Mid/upper Rectum	33	35	0.989
	Left colon	43	47
	Right colon	25	28
HBG (g/L)	mean ± SD	124.0 ± 27.1	120.7 ± 22.9	0.263
CA19-9 (U/mL)	< 27	78	75	0.163
	≥ 27	23	35
CEA (ng/mL)	< 5	60	64	0.666
	≥ 5	41	46
Postoperative adjuvant chemotherapy	Yes	49	46	0.332
	No	52	64
Recurrence	Yes	22	25	0.711
	No	79	85

CRC: Colorectal cancer; LAP: Laparoscopic surgery group; OPEN: Open surgery group; BMI: Body mass index; ASA: American Society of Anesthesiology; HGB: Hemoglobin; CA19-9: Carbohydrate antigen 19-9; CEA: Caicinoembryonic antigen; SD: Standard deviation.