Table 1

Trial outcome assessments, with time-points

ObjectiveOutcome assessmentTests conducted at
Primary
 Assess postoperative function and mobilityThe Oxford Hip Score (OHS)120 days after surgery
Secondary

 Assess postoperative function and early mobility
The De Morton Mobility Index (DEMMI) test3 and 120 days after surgery
The Cumulated Ambulation Score (CAS)3 days after surgery
 Assess painNumeric Pain Rating Scale (NPRS)3 and 120 days after surgery
 Measure quality of lifeEuroQol EQ-5D-5L120 days after surgery
 Assess analgesia medication useAnalgesia medication use recorded from patient notes3 and 120 days after surgery
 Measure hospital stayAcute and total length of hospital stayAt time of discharge from acute and overallhospital stay
 Assess any negative consequences of care
Adverse events (AE) and serious adverse events (SAEs), defined as any negative consequence of care resulting in unintended injury or illnessContinually throughout study participation, on average 120 days
 Assess complication ratesSpecific hip-related complications: dislocation, nerve injury, periprosthetic fracture, infection within 120 days of operation and need for re-operation (with reasons)Within 120 days after surgery, recording the date of complication
 Record discharge destinationThe percentage of participants who are discharged to their prefracture place of residenceAt time of discharge from hospital admission
 Return to place of residencePlace of residence. The percentage of participants returning to their prefracture place of residenceAt 120 days after surgery
 Estimate survivalMortality within 120 days of the operationWithin 120 days after surgery, recording the date of death