According to current studies, as many as 7.5 million Americans – approximately 2.2% of the population – have psoriasis.
125 million people worldwide – 2% to 3% of the total population – have psoriasis, according to the World Psoriasis Day consortium.
Studies show that between 10% and 30% of people with psoriasis also develop psoriatic arthritis.
Psoriasis prevalence in African Americans is 1.3% compared to 2.5% of Caucasians.
Quality of Life
Nearly 60% of people with psoriasis reported their disease to be a large problem in their everyday life.
Nearly 40% with psoriatic arthritis reported their disease to be a large problem in everyday life.
Patients with moderate to severe psoriasis experienced a greater negative impact on their quality of life.
Psoriasis has a greater impact on quality of life in women and younger patients.
Age of Onset
Psoriasis often appears between the ages of 15 and 25, but can develop at any age.
Psoriatic arthritis usually develops between the ages of 30 and 50, but can develop at any age.
Severity of Psoriasis
The National Psoriasis Foundation defines mild psoriasis as affecting less than 3% of the body; 3% to 10% is considered moderate; more than 10% is considered severe. For most individuals, your hand is about the same as 1% of the skin surface. However, the severity of psoriasis is also measured by how psoriasis affects a person’s quality of life.
Nearly one-quarter of people with psoriasis have cases that are considered moderate to severe.
Cost of Psoriasis
Total direct and indirect healthcare costs of psoriasis for patients are calculated at $11.25 billion annually, with work loss accounting for 40% of the cost burden.
Approximately 60% of psoriasis patients missed an average of 26 days of work a year due to their illness.