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J Rheumatol. 2017 Feb;44(2):174-183. doi: 10.3899/jrheum.160825. Epub 2016 Dec 15.

Understanding How the Diagnostic Delay of Spondyloarthritis Differs Between Women and Men: A Systematic Review and Metaanalysis.

Author information

1
From the Rheumatology Department, Alicante University General Hospital, Alicante, and Miguel Hernandez University, Alicante, Spain. vegajovani@yahoo.com.
2
V. Jovaní, MD, Rheumatology Department, Alicante University General Hospital; M. Blasco-Blasco, MPH, Public Health Department, University of Alicante; M.T. Ruiz-Cantero, MPH, PhD, Public Health Department, University of Alicante; E. Pascual, Prof. of Medicine (Rheumatology), Miguel Hernandez University. vegajovani@yahoo.com.
3
From the Rheumatology Department, Alicante University General Hospital, Alicante, and Miguel Hernandez University, Alicante, Spain.
4
V. Jovaní, MD, Rheumatology Department, Alicante University General Hospital; M. Blasco-Blasco, MPH, Public Health Department, University of Alicante; M.T. Ruiz-Cantero, MPH, PhD, Public Health Department, University of Alicante; E. Pascual, Prof. of Medicine (Rheumatology), Miguel Hernandez University.

Abstract

OBJECTIVE:

To identify empirical evidence of diagnostic delay in spondyloarthritis (SpA), determine whether sex-related differences persist, and conduct an analysis from that perspective of the possible causes, including the influence of quality research, in this group of inflammatory rheumatic diseases.

METHODS:

A systematic review was done of delay in diagnosis of SpA in MEDLINE and EMBASE and other sources. Study quality was determined in line with the Strengthening The Reporting of OBservational studies in Epidemiology (STROBE) statement. A metaanalysis of 13 papers reporting sex-disaggregated data was performed to evaluate sex-related differences in diagnostic delay. The global effect of diagnostic delay by sex was calculated using means difference (D) through a fixed effects model.

RESULTS:

The review included 23,883 patients (32.3% women) from 42 papers. No significant differences between the sexes were detected for symptoms at disease onset or during evolution. However, the mean for delay in diagnosis of SpA showed sex-related differences, being 8.8 years (7.4-10.1) for women and 6.5 (5.6-7.4) for men (p = 0.01). Only 40% of papers had high quality. A metaanalysis included 12,073 participants (31.2% women). The mean global effect was D = 0.6 years (0.31-0.89), indicating that men were diagnosed 0.6 year (7 months) before women.

CONCLUSION:

Delay in diagnosis of SpA persists, and is longer in women than in men. There are no significant sex-related differences in symptoms that could explain sex-related differences in diagnostic delay. Methodological and possible publication bias could result in sex-biased medical practice.

KEYWORDS:

DIAGNOSTIC DELAY; SEX BIAS; SEX DIFFERENCES; SPONDYLOARTHRITIS

PMID:
27980009
DOI:
10.3899/jrheum.160825
[Indexed for MEDLINE]

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