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Comparison of PFS in different CTC cell number
| Variables | PFS in >6 CTC (months) |
PFS in ≤6 CTC (months) |
HR | % 95 CI | P value |
|---|---|---|---|---|---|
| Total CTC | 5 | 9 | 2.96 | 1.13 to 7.75 | 0.0001 |
| eCTC | 4 | 8 | 1.70 | 0.38 to 7.5 | 0.12 |
| MixedCTC | 5 | 9 | 5.31 | 1.71to16.45 | 0.0001 |
| MCTC | 4 | 8 | 4.14 | 0.44 to 39 | 0.01 |
PFS, progression-free survival; CTC, circulating tumor cell; eCTC, epithelial circulating tumor cell; MCTC, mesenchymal circulating tumor cell.HR, hazard ratio; CI, confidence interval.
