Pooled incidence of psoriatic arthritis in population-based studies

83 every 100,000 PY

new cases per 10,000 person-years, worldwide

“The random effect pooled PsA prevalence and incidence rates are respectively 133 every 100,000 subjects (95% CI, 107-164 every 100,000 subjects) and 83 every 100,000 PY (95% CI, 41-167 every 100,000 PY).”

Scotti et al., Prevalence and incidence of psoriatic arthritis: a systematic review and meta-analysis, Semin Arthritis Rheum 2018, 2018-08

Kind of source

Peer-reviewed study

Read on

2026-11-06

Daily check

Quote found at the source on 2026-11-06

What to know

28 studies with high between-study heterogeneity (95% CI 41 to 167 per 100,000 person-years), so treat it as an order of magnitude.

Arithmetic

83 per 100,000 person-years / 10 = 8.3 per 10,000 person-years

About

Psoriatic arthritis