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

Table 12 Concomitant cancer leak ratio for membrane dissection and D2 in different T stages, n (%)

	Total (n = 115)	Membrane anatomy group (n = 63)	D2 group (n = 60)	Statistic	P value
Total T stage				χ2 = 6.11	0.013
CEA and CK-19 -	103 (89.57)	56 (96.55)	47 (82.46)
CEA and CK-19 +	12 (10.43)	2 (3.45)	10 (17.54)
T1 grade
CEA and CK-19 -	21(100.00)	12 (100.00)	9 (100.00)
CEA and CK-19 +	0 (0.00)	0 (0.00)	0 (0.00)
T2 grade					1.000
CEA and CK-19 -	12 (92.31)	6 (100.00)	6 (85.71)
CEA and CK-19 +	1 (7.69)	0 (0.00)	1 (14.29)
T3 grade				χ2 = 0.52	0.470
CEA and CK-19 -	44 (95.65)	23 (100.00)	21 (91.30)
CEA and CK-19 +	2 (4.35)	0 (0.00)	2 (8.70)
T4 grade					0.121
CEA and CK-19 -	26 (74.29)	15 (88.24)	11 (61.11)
CEA and CK-19 +	9 (25.71)	2 (11.76)	7 (38.89)

CEA: Carcinoembryonic antigen; CK-19: Cytokeratin-19.