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PFS comparison between Del19 and L858R groups in the second-line and beyond setting
| Variables | PFS [median (range)] | Log-rank test P |
| PFS, progression-free survival; Cox HR=1.441 (0.899–2.308), P=0.128 (Del19 mutant reference). | ||
| Del19 | 11.35 (7.20–16.10) | 0.128 |
| L858R | 7.93 (6.67–12.40) | |
