Table 4.
Comparison of baseline characteristics between concordant and discordant cases
| Odds ratio (Univariate) | P value | Odds ratio (Multivariate) | P value | ||
|---|---|---|---|---|---|
| Age | — | 0.99 | 0.46 | — | — |
| Gender | Male | 0.91 | 0.79 | — | — |
| Newly diagnosed or relapsed | Relapsed | 0.51 | 0.11 | — | — |
| Chemo naive | Yes | 1.2 | 0.6 | — | — |
| Location of primary tumour | Right-sided | 1.26 | 0.58 | — | — |
| Metastatic site | Liver alone | 1.77 | 0.2 | — | — |
| Lung alone | 0.22 | <0.01 | 0.24 | <0.01 | |
| Lymph Node (LN) alone | 1.71 | 0.19 | — | — | |
| Other single organ meta | 0.78 | 0.48 | — | — | |
| Multiple metastasis | 1.4 | 0.74 | — | — | |
| Sample collection interval from archived tissue to plasma | — | 0.98 | 0.09 | 0.99 | 0.23 |
| Source of tissue sample for test | Primary | 2.22 | 0.25 | — | — |