PRL and schizophrenia: Moreover, Howard et al. reported that hip fracture is associated with both schizophrenia (OR: 1.73; 95% CI: 1.32–2.28) and the use of prolactin-raising antipsychotics (OR: 2.6; 95% CI: 2.43–2.78); however, in their multivariate analysis, schizophrenia diagnosis did not have an independent association with fracture risk [20].