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. 2011 Aug 17;2011:217060. doi: 10.4061/2011/217060

Table 4.

Relationship of tumor grade with quantitative biomarker expression in IBCA.

Variables IBCA grade P value (ANOVA)
grade Grade 1 (11) Grade 2 (49) Grade 3 (40)

ER-score (%) 84.4 ± 8.80 75.3 ± 5.18 29.65 ± 6.69 P < 0.0001
PR-score (%) 49.1 ± 13.6 35.16 ± 5.34 14.30 ± 4.71 P = 0.0051
Ki67 (%) 14.7 ± 2.40 29.71 ± 3.55 61.2 ± 4.17 P < 0.0001
P53 (%) 11.8 ± 8.23 10.39 ± 3.26 27.95 ± 6.26 P = 0.0180