Table 1. Characteristics of the study participants in the validation datasets.
Discovery set | Validation set I | Validation set II | |||||||
Characteristic | HCC (n = 29)* | Non-HCC (n = 35)* | P | HCC (n = 97)* | Non-HCC (n = 97)* | P | HCC (n = 105)* | Non-HCC (n = 105)* | P |
Age, mean ± SD | 51.9±8.9. | 52.2±9.4 | Matched | 52.6±12.5 | 52.0±9.0 | Matched | 49.8±9.7 | 48.7±9.5 | Matched |
Sex, male | 22 (75.9) | 26 (74.3) | Matched | 73 (75.3) | 74 (76.3) | Matched | 90 (85.7) | 90 (85.7) | Matched |
HBeAg positive | 11 (37.9) | 8 (22.9) | 0.189 | 32 (33.3) | 22 (22.9) | 0.108 | 39 (37.1) | 28 (26.7) | 0.103 |
Serum HBV DNA level (log10 copies/mL ≥5) | 15 (51.7) | 17 (48.6) | 0.802 | 49 (50.5) | 46 (47.4) | 0.667 | 56 (53.3) | 58 (55.2) | 0.782 |
Serum ATL level (>40 IU/L) | 17 (58.6) | 3 (8.6) | <0.001 | 67(69.1) | 6 (6.2) | <0.001 | 37 (35.2) | 9 (8.6) | <0.001 |
Abbreviations: ALT, alanine aminotransferase; HBV, hepatitis B virus; HBeAg, hepatitis B e antigen; HCC, hepatocellular carcinoma.
*Data are presented as n (%), unless otherwise indicated.