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Disease-free survival (DFS) and overall survival (OS) in early-stage NSCLC with KRAS expression.
| Study | Year | Kind of Study | Patients (Total/K-Ras) | Stage | DFS | OS |
|---|---|---|---|---|---|---|
| Nelson et al. | 1999 | Prospective | 365 (44) | I–IV | n.r.* | negative |
| Lu et al. | 2004 | Retrospective | 94 (34) | I | n.s. | n.s. |
| Lin M-W et al. | 2014 | Retrospective | 64 (4) | I (syn) | n.s. | n.s. |
* n.r.: not reported. n.s.: not significant.
