Univariate Analysis of Factors Associated with KRAS Status (n = 55)
| Factor | Mutated KRAS (n = 30) | Wild-type KRAS (n = 25) | Univariate P |
| Mean age ± SD (y) | 65.4 ± 12.2 | 62.8 ± 8.1 | 0.20 |
| Sex | 1 | ||
| Male | 21 | 18 | |
| Female | 9 | 7 | |
| Blood glucose | 1 | ||
| 100 | 9 | 8 | |
| ≥100 | 21 | 17 | |
| Mean C-reactive protein ± SD | 0.2 ± 0.4 | 0.1 ± 0.1 | 0.86 |
| Carcinoembryonic antigen | 1 | ||
| 5.0 | 16 | 13 | |
| ≥5.0 | 14 | 12 | |
| Mean tumor size ± SD (mm) | 18.8 ± 14.8 | 23.2 ± 13.2 | 0.06 |
| Mean SUVmax ± SD | 6.3 ± 4.2 | 5.4 ± 2.6 | 0.84 |