Table 1. Patient characteristics.
| Characteristic | Discovery cohort (n=22) | Training cohort (n=70) | Validation cohort (n=73) | |||||
|---|---|---|---|---|---|---|---|---|
| LC | GC | LC | GC | LC | GC | |||
| No. of patients | 10 | 12 | 30 | 40 | 33 | 40 | ||
| Age (yr) | 61.1±10.2 | 55.8±17.7 | 58.5±13.2 | 54.5±14.9 | 58.1±12.9 | 63.0±13.9 | ||
| Sex | ||||||||
| Male | 8 (80.0) | 8 (66.7) | 17 (56.7) | 23 (57.5) | 24 (72.7) | 28 (70.0) | ||
| Female | 2 (20.0) | 4 (33.3) | 13 (43.3) | 17 (42.5) | 9 (27.3) | 12 (30.0) | ||
| Etiology of LC | ||||||||
| Hepatitis B | 5 (50.0) | 16 (53.3) | 18 (54.5) | |||||
| Hepatitis C | 1 (10.0) | 2 (6.7) | 3 (9.1) | |||||
| Alcoholic | 4 (40.0) | 9 (30.0) | 10 (30.3) | |||||
| Unknown | 0 | 3 (10.0) | 2 (6.1) | |||||
| Histological classification of primary tumor | ||||||||
| Tubular adenocarcinoma | ||||||||
| Well differentiated | 2 (16.7) | 1 (2.5) | 2 (5.0) | |||||
| Moderately differentiated | 2 (16.7) | 11 (27.5) | 14 (35.0) | |||||
| Poorly differentiated | 4 (33.3) | 13 (32.5) | 11 (27.5) | |||||
| Mucinous carcinoma | 1 (8.3) | 3 (7.5) | 1 (2.5) | |||||
| Poorly cohesive carcinoma | 3 (25.0) | 11 (27.5) | 10 (25.0) | |||||
| Mixed adenocarcinoma | 0 | 1 (2.5) | 2 (5.0) | |||||
Values are presented as mean±standard deviation or number of patients (%)
LC = liver cirrhosis; GC = gastric cancer.