The treatment effect of olanzapine was evaluated according to the score reduction rate of the PANSS scale.[7 ] Recovery: score reduction rate ≥ 75%, significant progress: score reduction rate ≥ 50% and <75%, progress: score reduction rate ≥ 25% and <50%, ineffective: <25%. In this study, recovery, significant progress, and progress were included in the effective group, and ineffective patients were included in the ineffective group.