Table 1

Study schedule

Study componentVisit 1Visit 2Visit 3Visit 4Visit 5Visit 6Visit 7Visit 8Visit 9
Time1 day before surgeryAfter general anaesthesiaEnd of surgery2 hours after surgery6 hours after surgery12 hours after surgery24 hours after surgery48 hours after surgeryDischarge
Eligibility screenX
Informed consentX
Demographic characteristicsX
RandomisationX
InterventionX
Intraoperative opioid consumptionX
FACESXXXXX
Adverse eventsX
  • FACES, Wong-Baker Faces Pain-rating Scale.