Table 2. Types of prospective registries for analysis of time dependent prognostic variables.

Non-selective registries

Pros: epidemiology (prevalence) and clinical characteristics

Cons: survival analysis and prognosis

Registries of newly diagnosed patients

Pros: epidemiology (incidence), survival analysis, prognosis and risk equation from baseline variables

Cons: assessment of time-dependent variables and treatment goals

Interventional registries

Pros: assessment of time-dependent variables and treatment goals