Outcome measurements
Confusion, postoperative delirium, NRS, pain

1. Time from the emergency room visit to the completion of FICB.2. Number of FICB completed by emergency physicians.3. The maximum NRS, the duration of the maximum NRS, and the duration of NRS > 3 were recorded.4. Analgesic satisfaction score. Patients were given a satisfaction score for preoperative analgesia before the procedure using a 5-point Likert scale from 1 to 5, ranging from complete disagreement to complete agreement, with higher scores indicating greater satisfaction with pain control.5. Incidence of postoperative delirium (POD) in the first 7 days postoperatively. Daily Confusion Assessment Method (CAM) scores were assessed by a blinded assessor in a face-to-face assessment [