Abstract:tic codes from the International Classification of Diseases (ICD-10), L405 (M07.0 -M07.3, M09.0) for PA and M45 (M08.1) for AS, during the five-year period 2009 to 2014. Results: We found a total of 6,596 patients with AS (57.4% male) and 1,860 patients with psoriatic arthritis (47.7% male) with a higher prevalence in 50 years or older in both cases. Prevalence would be 13.8 per 100,000 for AS (11.6 in females; 16.1 in males) and 3.9 per 100,000 for PA (4.0 in females; 3.8 in males), both much below internatio… Show more
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