Psoriatic arthritisis a condition characterized by inflammation in the joints.
In most cases, the skin symptoms of psoriasis occur before the joint symptoms of psoriatic arthritis.
There is no cure for psoriasis or psoriatic arthritis, but the conditions can be managed.
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Psoriasis is believed to affect 2% to 3% of the global populationabout 125 million people.
In the United States, more than eight million people have psoriasis.
Learn more about the data relating to psoriatic arthritis, where it comes from, and what it means.
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Who Collects the Data?
TheNational Psoriasis Foundationcollects and shares data on the prevalence of psoriasis and psoriatic arthritis.
The participants were aged 20 or older and had an in-person interview followed by a medical exam.
The researchers found that the prevalence of psoriasis among these adults was 3%.
The prevalence was similar between men and women.
The highest prevalence of psoriasis was among White people; the lowest prevalence was among Black people.
The most recent prevalence figures for psoriasis were not notably different from the prevalence recorded in 2003.
When Does Psoriatic Arthritis Develop?
Psoriasis and psoriatic arthritis can appear at any age.
Psoriasis often has two stages where onset is most common.
Psoriatic arthritis most commonly develops between the ages of 30 and 50.
The data is also needed to form health policies to address the challenges of the disease.
Studies suggest that one in three people with psoriasis have a relative who also had psoriasis.
If one parent has psoriasis, their child has a 10% chance of also having psoriasis.
If both parents have psoriasis, their child has a 50% chance of having psoriasis.
Almost 60% of people with psoriasis say that the disease causes them major problems in their daily life.
Statistics suggest that psoriasis is less common in Black people than in White people.
Specifically, the prevalence of psoriasis is 3.6% in White people and 1.5% in Black people.
However, it is believed that more than 15% of people with psoriasis have undiagnosed psoriatic arthritis.
Many people with psoriasis and psoriatic arthritis say that the condition causes them problems in their day-to-day lives.
Frequently Asked Questions
What percentage of the population has psoriatic arthritis?
Globally, 2% to 3% of the population has psoriasisaround 125 million people worldwide.
However, its believed that many people with psoriasis have undiagnosed psoriatic arthritis.
What is the life expectancy of someone with psoriatic arthritis?
Psoriatic arthritis is a chronic condition, and there is no cure.
How many people with psoriasis develop psoriatic arthritis?
About one in three (30%) people with psoriasis will develop psoriatic arthritis.
About 85% of people with psoriatic arthritis develop psoriasis first.
In many people, psoriatic arthritis develops about 10 years after the onset of psoriasis.
Is psoriatic arthritis a progressive disease?
In many people with psoriatic arthritis, the condition is progressivewhich means that it gets worse over time.
If untreated, psoriatic arthritis can cause deformities and permanent damage to the joints.
Signs that psoriatic arthritis has progressed include:
Not everyone with psoriatic arthritis will experience disease progression.
Medications can help reduce symptoms and active disease.
Being in remission is when there are no signs of active disease present.
For some people with psoriatic arthritis, remission is possible withproper treatment.
However, being in remission does not mean the disease will never return.
It is possible that the symptoms will come back and the disease will progress.
National Psoriasis Foundation.Psoriasis statistics.
National Psoriasis Foundation.Psoriatic arthritis: where we are and where were going.
