Table 1.
Characteristics of 6 public datasets and the classifications of HCC types.
| Datasets | Year | Country | Sex (M/F) | Mean Age | TNM Stage | No. of Patients | ||
|---|---|---|---|---|---|---|---|---|
| HBV−HCC a | HCV−HCC b | HCC c | ||||||
| Paired data | ||||||||
| GSE10143 | 2008 | Japan | - | - | - | 14 | 46 | 62 |
| GSE76427 | 2018 | Singapore | 45/7 | 59.5 ± 12.5 | I: 28 | - | - | 52 |
| II: 12 | ||||||||
| III: 12 | ||||||||
| GSE54236 | 2016 | Italy | 61/17 | - | - | - | - | 78 |
| GSE14520 | 2010 | China | 178/26 | 50 ± 10.6 | I: 88 | 204 | - | 204 |
| II: 74 | ||||||||
| III: 42 | ||||||||
| GSE17856 | 2010 | Japan | - | - | - | - | 40 | 40 |
| Tumor-only data | ||||||||
| GSE76427 | 2018 | Singapore | 93/22 | 63.5 ± 12.7 | I: 55 | - | - | 115 |
| II: 35 | ||||||||
| III, IV: 24 | ||||||||
| NA: 1 | ||||||||
| TCGA | 2014 | United States | 107/222 | 55 ± 11.7 | I: 161 | 95 | 49 | 329 |
| II: 82 | ||||||||
| III, IV: 86 | ||||||||
| Total | 313 | 135 | 880 | |||||
a HBV−HCC: hepatitis B-related hepatocellular carcinoma; b HCV−HCC: hepatitis C-related hepatocellular carcinoma; c HCC: hepatocellular carcinoma caused by either a virus or other reasons.