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. 2011 Feb 9;6(2):e16950. doi: 10.1371/journal.pone.0016950

Table 5. Cox univariate and multivariate analyses of DFS in the public series of nIBCs.

Univariate Analysis Multivariate analysis
N HR [95%CI] p N HR [95%CI] p
Age, 1372 0.917 [0.76–1.11] 0.37
>50y vs ≤50y
Pathological axillary lymph node status, 1627 1.33 [1.12–1.58] 0.0013 1235 1.25 [1.01–1.54] 3.90E-02
pos vs neg
Pathological tumor size, 1352 2.08 [1.69–2.56] 3.00E-12 1235 1.71 [1.37–2.15] 3.00E-06
pT2-4 vs pT1
Grade, 1291 2.57 [1.87–3.54] 7.80E-09 1235 1.88 [1.33–2.65] 3.60E-04
2–3 vs 1
IHC ER status, 1638 0.571 [0.47–0.69] 3.40E-09 1235 0.56 [0.45–0.7] 3.00E-07
pos vs neg
IHC PR status, 453 0.73 [0.49–1.09] 0.12
pos vs neg
IBC-like vs nIBC-like 1661 1.42 [1.17–1.73] 0.00047 1235 1.34 [1.06–1.7] 1.50E-02