Secondary outcomes
Confusion
Secondary outcomes included the correlation of left–right SctOCorrelations of left–right ScODelirium was assessed twice daily (at 06:00–08:00 and 18:00–20:00) within postoperative 5 days using the Chinese version of the Confusion Assessment Method (CAM) in non-intubated patients and the CAM for intensive care unit (CAM-ICU) in intubated patients [