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. Author manuscript; available in PMC: 2020 May 4.
Published in final edited form as: Biometrics. 2008 Mar 27;64(4):1009–1017. doi: 10.1111/j.1541-0420.2008.01001.x

Table 3.

Single covariate and multiple covariate regression results for breast cancer data

Univariate
Multivariate
Biomarker β^ 95% CI β^ 95% CI
ER status −0.033 (−0.049, − 0.021) −0.01 (−0.024, 0.030)
PR status −0.019 (−0.029, −0.009) −0.01 (−0.035, 0.020)

Note: ER status coded 1 for ER positive and 0 for ER negative. A similar approach was taken for PR status. Univariate refers to fitting each covariate separately, whereas multivariate refers to fitting one model with both ER std PR status.