Fig 1.
CONSORT diagram of patients.
Table 1.
Baseline characteristics of the patients in the per-protocol population (n = 54).
Fig 2.
Progression-free survival (PFS) during erlotinib therapy (with 95% CI).
Fig 3.
Overall survival (OS) of the study population (with 95% CI).
Table 2.
Ten most frequently reported adverse events.
Fig 4.
Forest plot of hazard ratios (HR) of baseline predictors of overall survival (OS).
Table 3.
Overview of available outcome data with erlotinib as a second-line treatment.