Patterns and natural history of radiographically defined osteoarthritis in a registry of women
The authors studied the natural history of osteoarthritis (OA) in a registry of female radium dial painters who had longitudinal radiographic examinations. Radiographs of the hands, spine, pelvis, knees and feet were graded for OA using the method of Kellgren and Lawrence. The prevalence of OA in this study was consistent with other population-based studies of OA in white women. A full body OA score was defined as the summation of the number of joints with OA. Higher full body OA score was associated with increased risk of all-cause mortality, after controlling for age and year of birth. Variables cross-sectionally associated with the full body OA score included increasing age; later year of birth; increasing systolic and diastolic blood pressure; increasing uric acid level; a history of diabetes, cholecystectomy, or cardiovascular disease; and being a current drinker of alcohol or being a current smoker. The authors described that natural history of OA for individual joints, joint groups, and the full body. The authors found that progression of OA was common, but not universal. Every joint group studied also displayed some amount of regression, although the authors could not conclude how much of the regression was real versus measurement error. The authors found that, in general, joints with a baseline OA grade of one to four were more likely to progress to a higher grade compared to joints with a grade of zero at baseline. Finally, the authors described predictors of followup OA status and predictors of change from baseline to followup for the full body. Predictors of greater change (to more OA) included increasing age, a history of cholecystectomy, having ever drank alcohol, and not having ever smoked. Predictors of a higher followup OA status included increasing age, increasing baseline full body OA score, a history of cholecystectomy, being a current drinker, and having never smoked.
- Research Organization:
- Iowa Univ., Iowa City, IA (United States)
- OSTI ID:
- 5240408
- Country of Publication:
- United States
- Language:
- English
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