Table 2 Frequencies of p16 methylation in study groups
From: Arsenic exposure is associated with DNA hypermethylation of the tumor suppressor gene p16
Group | p16methylation positive | p16methylation negative | Total |
|---|---|---|---|
High arsenic exposure and arsenicosis | 26 (65%) | 14 | 40 |
High arsenic exposure and without arsenicosis | 19 (47.5%) | 21 | 40 |
Low arsenic exposure | 8 (20%)** | 32 | 40 |