Table 2

Data that will be extracted from every study included in the review

No.Description
1Authors and year of publication
2Country of study
3Type of study
4Study population
5Study completion rate
6Diagnosis
7Surgical approach: lateral/transgluteal (Hardinge/Bauer)26/anterolateral (Watson Jones) with or without trochanteric osteotomy26/anterior (Smith Petersen)26/posterior (Moore/ the southern exposure)26/minimally invasive anterolateral (Röttinger)17/anterior minimally invasive26/minimally invasive posterior (mini-posterior)27/2 incision (minimal invasive 2 incision)28/posterolateral29
8
8a–f
Study population demographics
Age, sex, height, body mass, body mass index, comorbidity index
9
9a
9b
9c
Measurement methods
Isometric/isokinetic strength measurement
Angle of isometric measurement/speed of isokinetic measurement
Patient position during the measurement (lying supine, lying lateral recumbent/standing)
10Comparators: healthy individuals/asymptomatic contralateral side/no comparator
11Total durations of follow-up (weeks after the operation)
12Measurement stages (preoperative, follow-up in weeks after the operation)
13Information regarding the rehabilitation protocols
14
14a
14b
14c
14d
Outcome (mean values, SDs and CIs)
Absolute values of hip abductor torque in patients after THA, or in asymptomatic control groups
Torque ratio (operated/contralateral hip) of hip abductors in patients after THA
Change in hip abductor torque/hip abductor torque ratio from baseline to the last available follow-up
Differences in hip abductor torque/torque ratios between patients after THA and healthy control groups.
15Authors conclusions
16Information regarding risk of bias
  • THA, total hip arthroplasty.