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Association of weather factors with the risk of pain exacerbations in people with hip osteoarthritis.
Scandinavian Journal of Rheumatology ( IF 3.025 ) Pub Date : 2020-07-02 , DOI: 10.1080/03009742.2020.1760929
K Fu,B Metcalf,K L Bennell,Y Zhang,L A Deveza,S R Robbins,M L Ferreira,D J Hunter

Objectives

Our objective was to evaluate the association of weather factors with the risk of pain exacerbations in people with symptomatic hip osteoarthritis (OA).

Method

Eligible participants with symptomatic hip OA were instructed to log on to the study website and complete questionnaires every 10 days and additionally whenever they considered they were experiencing a pain exacerbation (case period) during the 90 day follow-up. Pain exacerbation was defined as an increase of two points in pain intensity on an 11-point numeric rating scale (0–10) during the follow-up compared with baseline. Each case period was anchored to four control periods within a 35 day interval using a time-stratified approach. Weather data were obtained for both periods from the publicly available meteorological database of the Australian Bureau of Meteorology. We examined the association of weather factors across 72 h before the index date with the risk of pain exacerbation, using conditional logistic regression.

Results

Among 252 participants recruited, 129 participants had at least one episode of pain exacerbation and were included in the analysis. A significant dose–response relationship was found between average daily temperature variation in the prior 72 h and risk of pain exacerbations (p = 0.04 for linear trend). There was no significant association between maximum daily temperature, minimum daily temperature, relative humidity, precipitation, or barometric pressure and hip pain exacerbations.

Conclusion

The overall results suggest that only daily temperature variation among different weather factors was associated with hip pain exacerbations in people with symptomatic hip OA.

更新日期:2020-07-02

 

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