Study schedule
Timepoint | Study period | |||||||
Enrolment | Baseline | Postoperative | Follow-up | |||||
Preoperative | Day of surgery | Day 1 | Day 2 | Day 3 | Day 4 | Day 5 | 1 month | |
Enrolment | ||||||||
Eligibility screen | X | |||||||
Entry criteria | X | |||||||
Informed consent | X | |||||||
Demographics | X | |||||||
Medical history | X | |||||||
Allocation | X | |||||||
Interventions | ||||||||
Acetaminophen | X | X | X | |||||
Placebo | X | X | X | |||||
Assessments | ||||||||
MMSE | X | X | ||||||
Confusion assessment method (3D-CAM/CAM-ICU) | X | X | X | X | X | X | ||
Pain score (NRS) | X | X | X | X | X | |||
DRS-R-98 | X | X | X | X | X | |||
Medication administration | X | X | X | X | X | X | ||
ICU and hospital stay length | X | |||||||
Unplanned readmission and mortality | X | |||||||
Major postsurgical outcomes | X | X |
3D-CAM, 3-min diagnostic confusion assessment method; DRS-R-98, delirium rating scale-revised-98; ICU, intensive care unit; MMSE, mini-mental state examination; NRS, numerical rating scale.