Background
Methods
International Hip Outcome Tool (iHOT)
Adaption of the iHOT-12
Validation study
Questionnaire
Hip Outcome Score (HOS)
Modified Tegner Activity Scale (mTAS)
EuroQol-5D (EQ 5-D)
Subjective assessment
Statistical analysis
Methodological testing according to the COSMIN checklist
Reliability
Internal consistency
Test–retest reliability
Measurement error
Validity
Construct validity
Hypothesis testing
Responsiveness
Interpretability
Results
Demographic data and generalizability
Diagnosis | Number of patients | Mean age | Gender | iHOT-12 | HOS | mTAS | |
---|---|---|---|---|---|---|---|
male | female | ||||||
FAI | 31 (37.3 %) | 28.5 (±9.6) | 26 | 5 | 54.2 (±19.7) | 81.6 (±12.6) | 5.9 |
Osteoarthritis | 16 (19.3 %) | 47.4 (±9.0) | 12 | 4 | 52.7 (±29.4) | 76.9 (±17.0) | 4.3 |
Hip dysplasia | 13 (15.7 %) | 24.7 (±8.2) | 5 | 8 | 45.7 (±15.6) | 78.9 (±10.2) | 5.6 |
Muscular imbalance | 6 (7.2 %) | 31.7 (±11.1) | 3 | 3 | 65.8 (±18.9) | 85.2 (±6.9) | 5.3 |
Not specified | 17 (20.5 %) | 37.4 (±7.7) | 13 | 4 | 63.9 (±40.4) | 82.2 (±23.5) | 4.9 |
Total | 83 (100 %) | 33.7 (±11.8) | 59 | 24 | 55.8 (±27.0) | 80.9 (±15.7) | 5.3 |
Reliability
Validity
n = 83 | G-iHOT 12 | G-iHOT 33 | HOS | mTAS | EQ5D |
---|---|---|---|---|---|
G-iHOt 12 | 1 | 0.97 (p < 0.001) | 0.85 (p < 0.001) | 0.03 (p = 0.808) | 0.78 (p < 0.001) |
G-iHOt 33 | - | 1 | 0.87 (p < 0.001) | 0.07 (p = 0.558) | 0.77 (p < 0.001) |
HOS | - | - | 1 | 0.02 (p = 0.869) | 0.73 (p < 0.001) |
mTAS | - | - | - | 1 | 0.02 (p = 0.835) |
Global rating of change (GRC) | N | Mean difference | SD | Mean difference 95 %-CI | Minimum | Maximum | Effect size (ES) | ES 95 %-CI | ||
---|---|---|---|---|---|---|---|---|---|---|
Somewhat worse | 6 | −11.01 | 17.08 | −28.94 | 6.91 | −30.00 | 16.25 | -.64 | −1.51 | 0.27 |
Unchanged | 46 | 3.30 | 12.69 | -.46 | 7.07 | −14.33 | 63.75 | .26 | −0.03 | 0.55 |
Somewhat better | 22 | 6.54 | 10.19 | 2.02 | 11.06 | −19.00 | 30.17 | .64 | 0.18 | 1.10 |
Much better | 9 | 39.07 | 32.71 | 13.93 | 64.22 | −7.83 | 93.50 | 1.19 | 0.30 | 2.04 |