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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Breast Cancer Res Treat. 2013 Feb 16;138(2):519–528. doi: 10.1007/s10549-013-2435-z

Table 2.

Summary Statistics for Calibrated Input Parameters

Parameter Whites Blacks Posterior Distribution of the Difference, (Whites-Blacks)*

Mean SE Mean SE Mean 95% Credible Interval
LMP Fraction 0.44 0.05 0.42 0.09 0.02 [−0.20, 0.20]
LMP Dwell Time 2.44 0.50 2.36 0.79 0.05 [−1.00, 2.00]
Onset Proportion 0.98 0.04 0.99 0.02 −0.01 [−0.10, 0.05]
APC Lag 1.42 0.82 2.65 0.76 −1.21 [−2.00, 2.00]
Mean Growth 0.11 0.02 0.18 0.04 −0.07 [−0.10, 0.00]
Variance Growth 0.009 0.008 0.051 0.024 −0.041 [−0.064, 0.000]
Percent Aggressive 0.024 0.017 0.032 0.015 −0.008 [−0.050, 0.030]
Percent Highly Aggressive 0.019 0.008 0.041 0.009 −0.022 [−0.040, 0.000]
*

Based on the random sample (N=1,000) from the posterior distribution of the difference in the parameters, Whites – Blacks.

Abbreviations: LMP, limited malignant potential; APC, Age-Period-Cohort; SE, standard error