Table 2.
Clinical Variable | Discovery Cohort (n = 107) |
Internal Testing Cohort (n = 107) |
P value |
---|---|---|---|
Sex | |||
Male | 92 | 91 | 1b |
Female | 14 | 15 | |
Age, y | |||
Median (range) | 51(71-27) | 50 (77-21) | 0.6054a |
ALT | |||
Negative (≤50 U/L) | 67 | 57 | 0.2097b |
Positive (>50 U/L) | 39 | 49 | |
Tumor size | |||
Large(>5cm) | 31 | 43 | |
Small(≤5cm) | 74 | 63 | 0.1245b |
No data | 1 | 0 | |
TNM stage | |||
I | 47 | 42 | |
II | 37 | 39 | 1c |
III-IV | 22 | 25 | |
AFP | |||
Low | 56 | 59 | |
High | 50 | 44 | 0.6117b |
No data | 0 | 3 |
AFP, α-fetoprotein; ALT, alanine transferase; a Unpaired t test; b chi-squared test (χ2 test); c wilcoxon rank sum test.