Bayesian joint ordinal and survival modeling for breast cancer risk assessment.

But, for woman 5318 category a is always the most prevalent with an increasing trend over age, followed by categories b , c and d .

also in 63,971 other papers

Considering the evidence of a decreasing trend of breast density with age and a linear trajectory for the longitudinal latent breast density of woman i (14) y i ∗ ( t ) ∣ m it = m it + ε it = ( β 0 + b i 0 ) + ( β 1 + b i 1 ) t + ε it , where ( β 0 , β 1 ) T and ( b i 0 , b i 1 ) T are the fixed (population) and random effects (individual) for the intercept and the slope term, respectively, and ε i t the error term.

also in 47,180 other papers