Table 2 Multivariate analysis of different characteristics in the IDC/DCIS group compared to pure IDC group.

From: Comprehensive analysis of the 21-gene recurrence score in invasive ductal breast carcinoma with or without ductal carcinoma in situ component

Characteristics

OR

95% CI

P

Age < 50 vs. ≥50

1.65

1.27–2.15

<0.001

IDC grade

  

0.030

 I vs. III

1.89

1.15–3.10

0.012

II vs. III

1.17

0.83–1.64

0.378

Luminal A vs. B

1.25

0.91–1.72

0.166

ER < 50% vs. ≥50%

0.68

0.37–1.24

0.205

PR < 20% vs. ≥20%

1.07

0.77–1.51

0.682

RS

  

0.038

 Low vs. high

1.62

1.09–2.42

0.018

Intermediate vs. high

1.47

1.05–2.05

0.024

  1. OR odds ratio, CI confidence interval, IDC invasive ductal carcinoma, DCIS ductal carcinoma in situ, ER oestrogen receptor, PR progesterone receptor, RS recurrence score.
  2. Significant P-value (<0.05) are in bold.
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