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Table 2 Outcomes and assessment points

From: The effect of posterior and lateral approach on patient-reported outcome measures and physical function in patients with osteoarthritis, undergoing total hip replacement: a randomised controlled trial protocol

   Assessments point
Primary outcome Data collection instrument (unit) Baseline Post (days) Post (weeks) Post (months)
Function of daily living HOOS-PS Pre    3, 6, 12
Secondary outcomes      
Patient reported outcomes      
Pain HOOS-pain Pre    3, 6, 12
Quality of life HOOS-QoL Pre    3, 6, 12
Physical activity UCLA Pre    3, 6, 12
General health EQ-5D Pre    3, 6, 12
Limping Harris Hip Score Pre    3, 6, 12
Explorative outcomes      
Pain      
Pain HOOS-pain Pre 5 2- 10 3
Use of medication (type, quantity) Pre 1- 5 2- 10 3
Short term pain measure NRS Before and after each test (pre- 12 months)
Physical function      
20 Meter Walk test (20WT) Stopwatch (s and steps) Pre 3 3 3
Timed Up and Go test (TUG) Stopwatch (s) Pre 3 3 3
Chair Stand - test (30s-CST) (quantity) Pre 3 3 3
Knee Bend test (30s-knee bend) (quantity) Pre 3 3 3
Trendelenburg test (positive/negative) Pre    3
Joint mobility (Hip ROM) Goniometer (degrees) Pre    3
Data from 3D-gait analysis      
Total score for kinematic data GDI (points) Pre    3, 12
EMG (frequency and amplitude) Pre    3, 12
Hip Muscle strength MVC (Nm/kg) Pre    3, 12
Rate of forced development 0-200 ms MVC (Nm) Pre    3, 12