Table 3.
Clinical characteristics in training and test sets.
| Parameters | Training Set (n = 168) | Test Set (n = 42) | p-Value |
|---|---|---|---|
| Age (years) * | 54 ± 11 | 56 ± 12 | 0.266 |
| Sex | 0.914 | ||
| Men | 149 | 37 | |
| Women | 19 | 5 | |
| Aspartate aminotransferase (U/L) † | 33.0 (24.0–50.8) | 31.0 (24.0–62.0) | 0.933 |
| Alanine aminotransferase (U/L) † | 33.0 (21.0–49.8) | 32.0 (23.0–77.0) | 0.469 |
| Alpha-fetoprotein | 0.354 | ||
| ≥400 µg/L | 124 | 28 | |
| <400 µg/L | 44 | 14 | |
| Tumor diameter (mm) † | 47.5 (34.0–70.0) | 52.1 (31.8–71.0) | 0.701 |
* Datum is means ± standard deviation. † Data are medians and numbers in parentheses are interquartile range. Sex and alpha-fetoprotein were compared with Pearson’s chi-squared test and expressed as numbers (percentages).