Hsp90 in the continuum of breast ductal carcinogenesis: Evaluation in precursors, preinvasive and ductal carcinoma lesions

Table 2 Subanalysis in IDC cases: clinicopathological variables

Variables	N (%)	Hsp90 Allred score in IDC	p
Grade			0.061 ^MWW
Grade 1	3 (5.9%)	6.67 ± 0.58
Grade 2 & 3	48 (94.1%)	7.38 ± 0.76
Nodal status			0.392^S
N0	29 (56.9%)	7.28 ± 0.84
N1	13 (25.5%)	7.23 ± 0.73
N2	3 (5.9%)	7.67 ± 0.58
N3	6 (11.7%)	7.67 ± 0.52
Tumor size^§			0.033 ^S
< median	20 (39.2%)	7.10 ± 0.97
≥median	31 (60.8%)	7.48 ± 0.57

^MWWp-value derived from Mann-Whitney-Wilcoxon test for independent samples; ^Sp-value derived from Spearman's rank correlation coefficient; ^§ tumor size has been treated as a continuous variable and thus the two subcategories serve purely descriptive purposes

ISSN: 1471-2407