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OS comparison between Del19 and L858R groups in the second-line and beyond setting
| Variables | OS [median (range)] | Log-rank test P |
| OS, overall survival; Cox HR=1.815 (1.097–3.003), P=0.020 (Del19 mutant reference). | ||
| Del19 | 22.7 (16.9–30.0) | 0.020 |
| L858R | 12.3 (8.3–21.3) | |
