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Increasing age at presentation for patients with ankylosing spondylitis
Annals of the Rheumatic Diseases
|March 1, 1992
Summary
Patients with ankylosing spondylitis show an increasing age at first presentation over time. This trend suggests a later age of disease onset, contrasting with mechanical back pain patients.
Area of Science:
- Rheumatology
- Epidemiology
Background:
- Ankylosing spondylitis and mechanical back pain are common causes of back pain.
- Understanding trends in patient presentation is crucial for disease management.
Purpose of the Study:
- To analyze the age at first presentation for ankylosing spondylitis and mechanical back pain.
- To identify correlations between presentation age and calendar year.
Main Methods:
- Retrospective analysis of patient data from 1952-1983.
- Correlation analysis of age at presentation with the year of presentation.
Main Results:
- A significant positive correlation was found between calendar year and age at presentation for ankylosing spondylitis.
- A negative correlation was observed for mechanical back pain patients.
- The findings suggest an increasing age at disease onset for ankylosing spondylitis.
Conclusions:
- The age at first presentation for ankylosing spondylitis has increased over time.
- This trend likely reflects a later age of disease onset.
- The study supports previous epidemiological findings on ankylosing spondylitis trends.