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

Table 2 Carcinoembryonic antigen cancer leakage ratios for the membrane dissection and D2 surgeries at different T stages, n (%)

T grade	Total (n = 123)	Membrane anatomy group (n = 63)	D2 group (n = 60)	Statistic	P value
Total T stage				χ2 = 6.15	0.013
CEA -	101 (82.11)	57 (90.48)	44 (73.33)
CEA +	22 (17.89)	6 (9.52)	16 (26.67)
T1					0.435
CEA -	22 (95.65)	13 (100.00)	9 (90.00)
CEA +	1 (4.35)	0 (0.00)	1 (10.00)
T2					1.000
CEA -	10 (76.92)	5 (83.33)	5 (71.43)
CEA +	3 (23.08)	1 (16.67)	2 (28.57)
T3				χ2 = 0.76	0.384
CEA -	44 (86.27)	24 (92.31)	20 (80.00)
CEA +	7 (13.73)	2 (7.69)	5 (20.00)
T4					0.146
CEA -	25 (69.44)	15 (83.33)	10 (55.56)
CEA +	11 (30.56)	3 (16.67)	8 (44.44)

CEA: Carcinoembryonic antigen.