Table 1.

Core characteristics of the transdiagnostic risk calculator.

Robust	It includes predictors that have been selected through a priori clinical knowledge
Pragmatic	It is agnostic with respect to etiopathology of psychosis
Cheap	It leverages predictors that are routinely collected by clinicians
Automatized	It can accommodate electronic health records as well as the manual entry of predictors
e-Health	It has been implemented online
Scalable	It can be used to screen large electronic health records
Optimisable	It can be further refined by the inclusion of other predictors