Fig. 1

Trial profile. All randomized patients were included in the ITT population for efficacy analyses. Safety analyses were performed for all patients who received icotinib and those in the observation group. ITT, intention-to-treat; N number

Trial profile. All randomized patients were included in the ITT population for efficacy analyses. Safety analyses were performed for all patients who received icotinib and those in the observation group. ITT, intention-to-treat; N number