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Table 3 The methylation level in 31 pairs of GC cases

From: Methylation status of COX-2 in blood leukocyte DNA and risk of gastric cancer in a high-risk Chinese population

 

Methylation proportion

Median % (interquartile range)

Self-control study

Pre-GC

2.5(1.4–4.4)

n = 31

Post-GC

1.5(0.9–2.8)

n = 31

P a

0.04

Temporal trend

1–4 years pre-GC

2.5(1.4–4.5)

n = 22

GC diag. year

1.5(0.7–2.7)

n = 21

P b

0.02

  1. a Conditional logistic regression analysis, adjusted for age
  2. b Mann–Whitney Test/Wilcoxon Test
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BMC Cancer

ISSN: 1471-2407

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