Evidence map›Paper›PMID 18296074›Full record

ArticleOsteoarthritis and cartilage2008

The development of a short measure of physical function for hip OA HOOS-Physical Function Shortform (HOOS-PS): an OARSI/OMERACT initiative.

A M Davis, A V Perruccio, M Canizares, A Tennant, G A Hawker, P G Conaghan, E M Roos, J M Jordan, J-F Maillefert, M Dougados and 1 more

Abstract readMulticenter Study
PubMed Publisher
In one paragraph

Article in Osteoarthritis and cartilage, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
78citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

78 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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  16. Patient involvement in the development of patient-reported outcome measures used following hip or knee arthroplasty: a scoping review.Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2025
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18 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors.

A M DavisDivision of Health Care and Outcomes Research, Toronto Western Research Institute, Toronto, Canada. adavis@uhnresearch.ca
A V Perruccio
M Canizares
A Tennant
G A Hawker
P G Conaghan
E M Roos
J M Jordan
J-F Maillefert
M Dougados
L S Lohmander

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo derive a cross-culturally valid, short measure of physical function using function subscales (daily living and sports and recreation) of the Hip disability and Osteoarthritis Outcome Score (HOOS).

methodsRasch analysis was conducted on data from individuals from multiple countries who had hip osteoarthritis (OA). Fit of the data to the Rasch model was evaluated by model chi(2) and item fit statistics (chi(2), size of residual, and F-test). Differential item functioning was evaluated by gender, age and country. Unidimensionality was evaluated by factor analysis of residuals. Individual data sets were analyzed and data pooled and re-analyzed for fit to the model. Regression modeling was conducted to derive a nomogram converting raw summed scores to Rasch derived interval scores.

resultsSeven data sets were included (n=2991), ages 19-96 years, male/female ratio was 1:1.23. The final model included five HOOS items. From the easiest to most difficult, the items (logit) were as follows: sitting (1.832), descending stairs (0.729), getting in/out of bath or shower (0.255), twisting/pivoting on loaded leg (-0.221) and running (-2.595). The separation index was 0.80.

conclusionThe daily activity and sports and recreational items of the HOOS were reduced to five items achieving a feasible, short measure of physical function with interval level properties. This tool has potential for use as the function component of an OA severity scoring system. Further testing of this measure is warranted.

Indexed as

Severity of Illness IndexActivities of Daily LivingAdultAgedAged, 80 and overFemaleHip JointHumansMaleMiddle AgedModels, StatisticalOsteoarthritis, HipOutcome Assessment, Health CareSports

Identifiers

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.