Importance Individuals can be classified as being at clinical high risk (CHR) for psychosis if
they meet at least one of the ultra–high-risk (UHR) inclusion criteria (brief limited intermittent
psychotic symptoms [BLIPS] and/or attenuated psychotic symptoms [APS] and/or genetic risk
and deterioration syndrome [GRD]) and/or basic symptoms [BS]. The meta-analytical risk of
psychosis of these different subgroups is still unknown. Objective To compare the risk of
psychosis in CHR individuals who met at least one of the major inclusion criteria and in …