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Disease-free survival (DFS) and overall survival (OS) in early-stage NSCLC with PDL-1 expression.
| Study | Year | Kind of Study | Patients | Cut-Off | Stage | DFS | OS |
|---|---|---|---|---|---|---|---|
| Cooper et al. | 2015 | Retrospective | 678 | ≥50% | I–III | n.r. 1 | positive |
| Shi et al. | 2021 | Retrospective | 3790 | variable | I–III | negative | negative |
| D’Arcangelo et al. | 2019 | Retrospective | 289 | ≥50% | I–III | n.s. | n.s. |
| Sum JM et al. | 2016 | Retrospective | 520 | 1–95%/≥96% | I–III | negative | n.s. |
1 n.r.: not reported. n.s.: not significant.
