The Association of Psoriatic Arthritis With All-cause Mortality and Leading Causes of Death in Psoriatic Arthritis

Amir Haddad, Walid Saliba, Idit Lavi, Amin Batheesh, Samir Kasem, Tal Gazitt, Ilan Feldhamer, Arnon Dov Cohen, Devy Zisman

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Objective. To examine the association between psoriatic arthritis (PsA) and all-cause mortality from a large population-based database. Methods. Patients with PsA from the Clalit Health Services database were identified between 2003–2018 and matched to 4 controls by age, sex, ethnicity, and index date. Patient demographics, comorbidities, and treatments were extracted. Mortality data were obtained from the Israeli Notification of Death certificate. The proportionate mortality rate (PMR) of the leading causes of death was calculated and compared to that of the general population. Cox proportional hazard regression models were used to estimate the crude and the multivariate adjusted HR for the association between PsA and all-cause mortality and for factors associated with mortality within the PsA group. Results. There were 5275 patients with PsA and 21,011 controls included and followed for 7.2 ± 4.4 years. The mean age was 51.7 ± 15.4 years, and 53% were females. Among patients with PsA, 38.2% were on biologics. Four hundred seventy-one (8.9%) patients died in the PsA group compared to 1668 (7.9%) in the control group. The crude HR for the association of PsA and all-cause mortality was 1.16 (95% CI 1.04–1.29) and 1.02 (95% CI 0.90–1.15) on multivariate analysis. Malignancy was the leading cause of death (26%), followed by ischemic heart disease (15.8%); this is in keeping with the leading causes of death in the general population. Older age, male sex, lower socioeconomic status, increased BMI, increased Charlson comorbidity index scores, and history of psoriasis or hospitalization in 1 year prior to entry were positive predictors for mortality. Conclusion. No clinically relevant increase in mortality rate was observed in patients with PsA, and specific PMRs were similar to those of the general population.

Original languageEnglish
Pages (from-to)165-170
Number of pages6
JournalJournal of Rheumatology
Volume49
Issue number2
DOIs
StatePublished - 1 Feb 2022
Externally publishedYes

Keywords

  • Mortality
  • Prognosis
  • Psoriatic arthritis

ASJC Scopus subject areas

  • Rheumatology
  • Immunology and Allergy
  • Immunology

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