The Mortality of Rheumatoid Arthritis

Overview

Journal Arthritis Rheum

Specialty Rheumatology

Date 1994 Apr 1

PMID 8147925

Citations 342

Authors

F Wolfe

D M Mitchell

J T Sibley

J F Fries

D A Bloch

C A Williams

P W Spitz

M Haga

S M Kleinheksel

M A Cathey

Affiliations

Soon will be listed here.

Abstract

Objective: To determine the risk and causes of death and to quantify mortality predictors in patients with rheumatoid arthritis (RA).

Methods: RA patients (n = 3,501) from 4 centers (Saskatoon n = 905, Wichita n = 1,405, Stanford n = 886, and Santa Clara n = 305) were followed for up to 35 years; 922 patients died.

Results: The overall standardized mortality ratio (SMR) was 2.26 (Saskatoon 2.24, Wichita 1.98, Stanford 3.08, Santa Clara 2.18) and increased with time. Mortality was strikingly increased for specific causes: infection, lymphoproliferative malignancy, gastroenterologic, and RA. In addition, as an effect of the SMR of 2.26, the expected number of deaths was increased nonspecifically across all causes (except cancer), with a large excess of deaths attributable to cardiovascular and cerebrovascular diseases. Independent predictors of mortality included age, education, male sex, function, rheumatoid factor, nodules, erythrocyte sedimentation rate, joint count, and prednisone use.

Conclusion: Mortality rates are increased at least 2-fold in RA, and are linked to clinical severity.

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