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Pearson’s correlation between progression-free survival (PFS) and overall survival (OS) in the three lines of treatment (N=120)
| Treatment line | r value (95% CI) | P-value |
|---|---|---|
| PFS first-line/OS | 0.64 (0.25 to 0.81) | P=0.0021 |
| PFS second-line/OS | 0.60 (0.20 to 0.80) | P=0.0054 |
| PFS third-line/OS | 0.33 (-0.05 to 0.68) | P=0.05 |
