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. 2013 Jan 15;108(3):542–548. doi: 10.1038/bjc.2012.596

Table 4. Parameters of the model with covariates for age-group 50–59.

  Healthy to preclinical Healthy to death Preclinical to clinical Preclinical to death
Transition rate (95% CI)
0.00267 (0.00228, 0.00313)
0.00230 (0.00205, 0.00259)
0.32940 (0.22970, 0.47250)
0.00230 (0.00205, 0.00259)
Log-linear effect of covariate on transition rate (90% CI)
Age at entry 0 0.10210 (0.06843, 0.13570) 0 0.10210 (0.06843, 0.13570)
Absence of history of breast disease −0.3787 (−0.6331, −0.1243) 0 0 0
Menstruation length (years) 0.02821 (0.01466, 0.04176) −0.01641 (−0.02888, −0.003948) 0 −0.01641 (−0.02888, −0.003948)
Number of live birthsa
−0.5654 (−0.8124, −0.3185)
−0.3095 (−0.549, −0.07008)
0
−0.3095 (−0.549, −0.07008)
Mean sojourn time (95% CI)
3.035 (2.116, 4.354)
 
 
 
Sensitivity (95% CI) 0.712 (0.536, 0.841)      

Abbreviation: CI=confidence interval.

a

The baseline is a woman with no live birth.