9 Questions
What is the most common form of arthritis?
Osteoarthritis
What percentage of Canadians over the age of 80 are affected by osteoarthritis?
65%
What is the leading cause of disability and loss of productivity in Canada?
Osteoarthritis
What is the risk of developing osteoarthritis with a 1 kg increase in weight?
Not mentioned in the content
Which of the following is NOT a risk factor for osteoarthritis?
Smoking
What is the prevalence of osteoarthritis in Canadian men per 1000?
11.6
Which joints are more prevalent in women over 50 years old?
Hip, knee and hand
What percentage of symptomatic knee osteoarthritis is found in people over 60 years old?
12.1%
What is the primary objective of understanding the pathophysiology of osteoarthritis?
All of the above
Study Notes
Osteoarthritis (OA)
- Most common form of arthritis, a disease of diarthrodial joints.
- Involves the entire joint, including articular cartilage, synovium, capsule, and subchondral bone.
Epidemiology
- One of the leading causes of disability and loss of productivity, and on the rise.
- Affects 1/10 Canadian adults.
- Prevalence increases with age, with 65% of those over 80 affected.
- Prevalence varies by:
- Gender: 11.6 (men) vs 16.7 (women) per 1000.
- Genetics.
- Ethnicity: Hip OA more prevalent in whites than Indians, Asians, or blacks.
Risk Factors
- Obesity: A 1 kg increase in weight increases the risk of developing osteoarthritis by 9-13%.
- Advancing age:
- Symptomatic knee OA: 4.9% for all >25yo vs 12.1% for those over 60yo.
- Female vs men:
- Hip, knee, and hand OA more prevalent in women >50yo.
- Men: Higher risk of osteoarthritis compared to women in certain age groups.
Test your knowledge of osteoarthritis, a leading cause of disability and loss of productivity, including its prevalence, causes, and effects on different demographics.
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