Fig. 2. Number of patient-controlled analgesia errors and programming errors per 10,000 patients, before and after safety intervention. *P < 0.001 (preintervention vs . postintervention error rate). PCA = patient-controlled analgesia.
Fig. 2. Number of patient-controlled analgesia errors and programming errors per 10,000 patients, before and after safety intervention. *P < 0.001 (preintervention vs . postintervention error rate). PCA = patient-controlled analgesia.
