Aberrant gene methylation in the peritoneal fluid is a risk factor predicting peritoneal recurrence in gastric cancer

Table 4 Relationship between the q-MSP results and depth of cancer invasion, CY and P classification n (%)

Methylation status	Classification			P-value
	Group A: M-MP with CY(-) and P(-)	Group B: SS-SI with CY(-) and P(-)	Group C: CY(+) or P(+)
CHFR				< 0.05
(-) 77 (96)	35 (100)	31 (100)	11 (79)
(+) 3 (4)	0 (0)	0 (0)	3 (21)
p16				0.821
(-) 33 (41)	14 (40)	14 (45)	5 (36)
(+) 47 (59)	21 (60)	17 (55)	9 (64)
RUNX3				0.304
(-) 36 (45)	19 (54)	11 (35)	6 (43)
(+) 44 (55)	16 (46)	20 (65)	8 (57)
E cadherin				< 0.05
(-) 52 (65)	28 (80)	17 (55)	7 (50)
(+) 28 (35)	7 (20)	14 (45)	7 (50)
hMLH1				0.861
(-) 43 (54)	20 (57)	16 (52)	7 (50)
(+) 37 (46)	15 (43)	15 (48)	7 (50)
ABCG2				0.244
(-) 30 (38)	12 (34)	10 (32)	8 (57)
(+) 50 (63)	23 (66)	21 (68)	6 (43)
BNIP3				< 0.05
(-) 50 (63)	26 (74)	20 (65)	4 (29)
(+) 30 (38)	9 (26)	11 (35)	10 (71)