Non-parametric correlations (Spearman’s rho) | ||||
---|---|---|---|---|
 | CTC count | cfDNA yield | CA15-3 | ALP |
CTC count | ||||
 Correlation coefficient |  |  |  |  |
 p value |  |  |  |  |
cfDNA yield | ||||
 Correlation coefficient | 0.294 |  |  |  |
 p value | < 0.0001 |  |  |  |
CA15-3 | ||||
 Correlation coefficient | 0.464 | 0.247 |  |  |
 p value | < 0.0001 | 0.001 |  |  |
AP | ||||
 Correlation coefficient | 0.392 | 0.193 | 0.370 |  |
 p value | < 0.0001 | 0.007 | < 0.0001 |  |