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. 2016 Jan 18;9:355–366. doi: 10.2147/OTT.S95785

Figure 5.

Figure 5

PFS in different groups categorized by IHC scores detected by EGFR E746_A750del (A) and L858R (B) mutation-specific antibodies.

Notes: Patients with a high staining score (3+) gained a longer PFS than those from other groups. (A) Median 10.8, 10.2, 10.2, 13.0 for 0+,1+, 2+, 3+, respectively; P<0.05; (B) median 10.0, 10.0, 10.25, 12.0 for 0+,1+, 2+, 3+, respectively; P<0.05.

Abbreviations: PFS, progression-free survival; IHC, immunohistochemistry; EGFR, epidermal growth factor receptor.