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

Table 9 Relationship between cytokeratin-19 cancer leakage and patients, n (%)

	Total (n = 118)	CK-19 - (n = 98)	CK-19 + (n = 20)	Statistic	P value
Degree of differentiation				χ2 = 4.27	0.039
Medium-high	48 (40.68)	44 (44.90)	4 (20.00)
Low	70 (59.32)	54 (55.10)	16 (80.00)
T grade					0.015
T1	21 (17.80)	21 (21.43)	0 (0.00)
T2	13 (11.02)	12 (12.24)	1 (5.00)
T3	48 (40.68)	40 (40.82)	8 (40.00)
T4	36 (30.51)	25 (25.51)	11 (55.00)
N grade					0.021
N0	37 (31.36)	35 (35.71)	2 (10.00)
N1	17 (14.41)	16 (16.33)	1 (5.00)
N2	20 (16.95)	15 (15.31)	5 (25.00)
N3	44 (37.29)	32 (32.65)	12 (60.00)
TNM grade					0.010
I	29 (24.58)	28 (28.57)	1 (5.00)
II	24 (20.34)	22 (22.45)	2 (10.00)
III	65 (55.08)	48 (48.98)	17 (85.00)
Modus operandi				χ2 = 4.19	0.041
Membrane anatomy	60 (50.85)	54 (55.10)	6 (30.00)
D2	58 (49.15)	44 (44.90)	14 (70.00)

CK-19: Cytokeratin-19; TNM: Tumor node metastasis.