Table 1.
Clinical and Pathological Characteristic of 62 HCC Patients with Tissue DNA Methylation Array Data and 8 Additional Cases with only Plasma DNA Data
| Cases with Array Data | Cases with Only Plasma Data | |
|---|---|---|
| Variables | Mean ± SD | Mean ± SD |
| Age at diagnosis | 52.2 yr ± 14.2* | 53.0±11.5 † |
| N (%) | N (%) | |
| Gender | ||
| Male | 54 (87) | 7 (100) † |
| Female | 8 (13) | 0 |
| Viral status | ||
| HBV (−) and HCV (−) | 7 (11) | 0 |
| HBV (+) and HCV (−) | 36 (58) | 7 (88) |
| HBV (−) and HCV (+) | 6 (10) | 0 |
| HBV (+) and HCV (+) | 13 (21) | 1 (12) |
| Cigarette smoking | ||
| No | 25 (40) | 2 (25) |
| Yes | 24 (39) | 4 (50) |
| Missing | 13 (21) | 2 (25) |
| Alcohol drinking | ||
| No | 41 (66) | 8 (100) |
| Yes | 8 (13) | 0 |
| Missing | 13 (21) | 0 |
| AFB1-DNA adducts in tumor tissues | ||
| High to Medium | 37 (60) | |
| Low | 25 (40) | |
| AFB1-DNA adducts in non-tumor tissues | ||
| High to Medium | 15 (24) | |
| Low | 15 (24) | |
| Missing | 32 (52) | |
*
Age missing for five subjects
†
Data missing for one subject