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. 2011 Oct;179(4):1638–1644. doi: 10.1016/j.ajpath.2011.06.020

Figure 5.

Figure 5

Survival by EGFR IHC in grade III oligodendrogliomas. A: Grade III oligodendrogliomas show worse survival with weak EGFR IHC intensity. P = 0.03. See Table 3 for specific intergroup P values. B: After combining moderate (mod) and strong EGFR cases into one category, then stratifying by 1p/19q status, cases with 1p/19q codeletion had prolonged survival only if EGFR staining was moderate or strong. P = 0.04 overall, *P = 0.01 versus EGFR weak, 1p/19q codeleted tumors. C: There was no significant difference in the likelihood of 1p/19q codeletion between anaplastic oligodendrogliomas that were strong for EGFR versus those with weaker staining. P = 0.27.