Correlation between laparoscopic radical resection and tumor markers in peritoneal irrigation fluid

Table 1 Comparison of membrane dissection and D2 groups, mean ± SD/n (%)

Basic information	Total (n = 135)	Membrane anatomy group (n = 69)	D2 group (n = 66)	Statistic	P value
Age	67.54 ± 9.46	67.88 ± 9.19	67.18 ± 9.79	t = 0.43	0.668
Sex				χ2 = 0.21	0.650
Male	102 (75.56)	51 (73.91)	51 (77.27)
Female	33 (24.44)	18 (26.09)	15 (22.73)
ASA				-	0.666
I	6 (4.44)	2 (2.90)	4 (6.06)
II	79 (58.52)	42 (60.87)	37 (56.06)
III	50 (37.04)	25 (36.23)	25 (37.88)
BMI	22.48 ± 2.91	22.71 ± 3.06	22.23 ± 2.75	t = 0.96	0.339
AFP	31.29 ± 213.39	26.00 ± 179.35	36.81 ± 245.28	t = -0.29	0.770
CEA	8.62 ± 24.23	7.73 ± 21.06	9.55 ± 27.28	t = -0.44	0.664
CA125	13.89 ± 16.70	15.20 ± 20.59	12.53 ± 11.32	t = 0.93	0.354
CA19-9	284.42 ± 1703.98	196.39 ± 1389.93	376.45 ± 1986.93	t = -0.61	0.541
Tumor maximum diameter (cm)	4.88 ± 2.74	4.81 ± 2.67	4.96 ± 2.82	t = -0.31	0.760
Degree of differentiation				χ2 = 0.02	0.888
Middle/high	54 (40.00)	28 (40.58)	26 (39.39)
Low	81 (60.00)	41 (59.42)	40 (60.61)
Tumor site				χ2 = 7.17	0.067
Top	58 (42.96)	37 (53.62)	21 (31.82)
Middle	24 (17.78)	9 (13.04)	15 (22.73)
Bottom	32 (23.70)	15 (21.74)	17 (25.76)
Mixed	21 (15.56)	8 (11.59)	13 (19.70)
Lauren classification				χ2 = 0.13	0.938
Diffusivity	35 (25.93)	17 (24.64)	18 (27.27)
Mixed	65 (48.15)	34 (49.28)	31 (46.97)
Visible peristalsis	35 (25.93)	18 (26.09)	17 (25.76)
Periodization1				χ2 = 0.65	0.885
T1	23 (17.04)	13 (18.84)	10 (15.15)
T2	15 (11.11)	7 (10.14)	8 (12.12)
T3	57 (42.22)	30 (43.48)	27 (40.91)
T4	40 (29.63)	19 (27.54)	21 (31.82)
N period1				χ2 = 3.33	0.344
N0	42 (31.11)	23 (33.33)	19 (28.79)
N1	23 (17.04)	12 (17.39)	11 (16.67)
N2	22 (16.30)	14 (20.29)	8 (12.12)
N3	48 (35.56)	20 (28.99)	28 (42.42)
TNM grade1				χ2 = 1.39	0.500
I	33 (24.44)	17 (24.64)	16 (24.24)
II	30 (22.22)	18 (26.09)	12 (18.18)
III	72 (53.33)	34 (49.28)	38 (57.58)

¹Tumor node metastasis staging was performed using the American Joint Committee on Cancer tumor node metastasis staging system.

AFP: Alpha fetoprotein; ASA: American Society of Anesthesiologists; BMI: Body mass index; CA125: Carbohydrate antigen 125; CA19-9: Carbohydrate antigen 19-9; CEA: Carcinoembryonic antigen; TNM: Tumor node metastasis.