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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