Risk estimates for possible sources of heterogeneity in studies of violence in individual with schizophrenia and other psychoses.

aNumber of cases differs in this analysis because data were included from Fazel [24].bNumber of studies and cases differs because data from Arseneault [59] contribute to both cells.cNumber of studies is >20 because three studies contributed to more than one cell as the number of cases of the male and female samples differs for Brennan [49], Fazel [52], and Wallace [55].