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Clinical features with respect to checkpoint inhibitor therapy for PFS. PFS values were summarized in terms of median and interquartile range (1st and 3rd quartiles).
| Features | PFS (Months) |
|---|---|
| M Stage | |
| M1a | 8 (3–30) |
| M1b | 3 (3–36.5) |
| M1c | 3 (2–3) |
| M1d | 2 (2–3) |
| ECOG | |
| 0 | 9 (3–32) |
| 1 | 3 (2–5) |
| 2 | 2 (2–3) |
| LDH | |
| <ULN | 3 (3–27) |
| ≥ULN | 3 (2–3) |
| Number of Metastatic Sites | |
| < 3 | 3 (3–24) |
| ≥3 | 3 (2–3) |
