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

Table 4 Relationship between carcinoembryonic antigen cancer leakage and patient clinical pathology characteristics, n (%)

Variable	Total (n = 123)	CEA - (n = 101)	CEA + (n = 22)	Statistic	P value
Degree of differentiation				χ2 = 7.67	0.006
Medium-high	49 (39.84)	46 (45.54)	3 (13.64)
Low	74 (60.16)	55 (54.46)	19 (86.36)
Violated vasculature				χ2 = 3.88	0.049
Yes	51 (41.46)	46 (45.54)	5 (22.73)
No	72 (58.54)	55 (54.46)	17 (77.27)
T grade					0.049
T1	23 (18.70)	22 (21.78)	1 (4.55)
T2	13 (10.57)	10 (9.90)	3 (13.64)
T3	51 (41.46)	44 (43.56)	7 (31.82)
T4	36 (29.27)	25 (24.75)	11 (50.00)
N grade					0.025
N0	38 (30.89)	35 (34.65)	3 (13.64)
N1	20 (16.26)	19 (18.81)	1 (4.55)
N2	19 (15.45)	14 (13.86)	5 (22.73)
N3	46 (37.40)	33 (32.67)	13 (59.09)
TNM grade				χ2 = 8.87	0.012
I	31 (25.20)	28 (27.72)	3 (13.64)
II	26 (21.14)	25 (24.75)	1 (4.55)
III	66 (53.66)	48 (47.52)	18 (81.82)
Modus operandi				χ2 = 6.15	0.013
Membrane anatomy	63 (51.22)	57 (56.44)	6 (27.27)
D2	60 (48.78)	44 (43.56)	16 (72.73)

CEA: Carcinoembryonic antigen; TNM: Tumor node metastasis.