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Symptoms of angina pectoris increase the probability of disability pension and premature exit from the workforce even in the absence of obstructive coronary artery disease

Lasse Jespersen, Steen Z. Abildstrøm, Anders Hvelplund, Søren Galatius, Jan K. Madsen, Frants Pedersen, Søren Højberg, Eva Prescott
DOI: http://dx.doi.org/10.1093/eurheartj/eht395 eht395 First published online: 26 September 2013

Abstract

Aims To evaluate probabilities of disability pension (DP) and premature exit from the workforce (PEW) in patients with stable angina symptoms and no obstructive coronary artery disease (CAD) at angiography compared with obstructive CAD and asymptomatic reference individuals.

Methods and results We followed 4303 patients with no prior cardiovascular disease having a first-time coronary angiography (CAG) in 1998–2009 due to stable angina symptoms and 2772 reference individuals from the Copenhagen City Heart Study, all aged <65 years, through registry linkage until 2009 for DP and PEW. Five-year age-adjusted DP-free survival probabilities for reference individuals, patients with angiographically normal coronary arteries, angiographically diffuse non-obstructive CAD, 1 stenotic coronary vessel (1VD), 2VD, and 3VD, respectively, were 0.96, 0.88, 0.84, 0.82, 0.85, and 0.78 in women and 0.98, 0.90, 0.89, 0.89, 0.88, and 0.87 in men. Significant predictors of DP were higher age, angina symptoms, higher body mass index, diabetes, smoking, job status, non-marital status in men, lower income, lower educational level, and co-morbidity. Compared with the reference population, probabilities of DP and PEW were significantly increased in all patients with no gender difference (P > 0.2 for interaction). Thus, in pooled multivariable-adjusted analysis, patients referred to CAG for angina had a three-fold higher probability of DP and ∼50% higher probability of PEW, with little difference between patients with angiographically normal coronary arteries, angiographically diffuse non-obstructive CAD, 1VD, 2VD, 3VD, the hazard ratios for DP being 2.7, 3.0, 3.3, 3.1, and 3.2 (all P < 0.001) and for PEW being 1.3, 1.4, 1.5, 1.6, and 1.6 (all P < 0.05).

Conclusion Patients with angina symptoms and angiographically normal coronary arteries, diffuse non-obstructive CAD, or obstructive CAD at angiography have a three-fold increased probability of DP regardless of angiographic findings.

  • Chest pain
  • Stable angina
  • Coronary artery disease
  • Gender
  • Disability pension
  • Unemployment
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