Table 1 Correlation between SLCO4C1 DNA promoter methylation and clinicopathological parameters

Patient number

498

 > 60

247

 ≤ 60

251

0.09^a

0.04^a

0.03^a

0.36^a

 pT2

188

 pT3 and pT4

303

 Unknown

7

0.02^a

< 0.01^a

< 0.01^a

< 0.01^a

 < 7

45

 3 + 4

147

 4 + 3

101

 = 8

64

 > 8

141

0.28^a

< 0.01^a

< 0.01^a

< 0.01^a

 R0

316

 R1, R2 and RX

162

 Unknown

20

0.06^a

< 0.01^a

< 0.01^a

0.02^a

 pN0

346

 pN1

79

 Unknown

73

0.18^a

0.02^a

0.01^a

0.01^a

 0~4

51

 4–10

286

 > 10

153

 Unknown

8

0.64^b

0.28^b

0.42^b

0.25^b