Objective: To evaluate the efficacy and safety of paliperidone extended-release(ER) tablets compared with olanzapine in the treatment of patients with schizophrenia.Methods: A randomized,controlled clinical trial was conducted.All 156 hospitalized patients with schizophrenia were treated with paliperdone ER or olanzapine for 8 weeks.The efficacy was evaluated by the total score changes in the brief psychiatric rating scale(BPRS) and the treatment emergent symptoms scale(TESS).All patients were assessed at t...