Appendix Table 2.

Model notation

Symbol	Meaning
T	The time-to-event outcomes: HSCT-related mortality and competing risk disease-related mortality
Y	Observed HRQL
[T, Y]	The joint probability distribution of T and Y
η	The random trajectory, interpreted as the latent “true” HRQL
[T | η]	The conditional distribution of T given eta
λ	Cause-specific hazard
λ0	Baseline hazard
γ, α	Coefficients of the survival submodel
ε	Error term of the longitudinal submodel