Table 5.

Multivariate Analysis Of The Association Between Patients’ Characteristics And T790M Status

Characteristics	OR (95% CI)	p-Value
Initial EGFR-TKI icotinib (vs gefitinib)	0.05(0.003–0.803)	0.034
EGFR mutation status before TKI
Exon 19 deletions (vs Exon 21 L858R)	0.081(0.008–0.793)	0.031
Exon 19 deletions (vs other mutations)	0.005(0.000–0.143)	0.002
Response of initial TKI PR (vs SD)	21.569(1.791–259.808)	0.016

Abbreviations: OR, odds ratio; CI, confidence interval.