Patient reported health status and all-cause mortality in patients with coronary heart disease

Adam J.N. Raymakers, Paddy Gillespie, Edel Murphy, Margaret E. Cupples, Susan M. Smith, Andrew W. Murphy, Matthew D. Griffin, Yael Benyamini, Molly Byrne

Research output: Contribution to journalArticlepeer-review


Purpose. Patients with coronary heart disease (CHD) experience reduced quality of life which may be associated with mortality in the longer term. This study explores whether patient-rated physical and mental health status was associated with mortality at 6-year follow-up among patients with CHD attending primary care in Ireland and Northern Ireland. Methods. This study is a secondary data analysis of patients with CHD recruited to a cluster randomized controlled trial from 2004 to 2010. Data collected included patient-rated physical component summary (PCS) and mental component summary (MCS) scores of health status (from the 12-Item Short-Form Health Survey (SF-12)), demographics and clinical parameters at baseline, and all-cause mortality at 6-year follow-up. Multivariate regression was conducted using generalized estimating equations (GEE) with a log-link function. Results are presented as odds ratios (ORs) and 95% confidence intervals (CIs). Results. The study consisted of 762 individuals with mean age 67.6 years [standard deviation (SD): 9.8], and was 29% female. Mean baseline SF-12 mental (MCS) and physical (PCS) component scores were 50.0 (SD: 10.8) and 39.6 (SD: 11.2), respectively. At 6-year follow-up, the adjusted OR for the baseline MCS for mortality was 0.97 (95% CI: 0.95-0.99) and for the PCS 0.97 (95% CI: 0.95-0.99). For every five-point increase in MCS and PCS scores, there was a 14% reduction in the likelihood of all-cause mortality. Conclusions. Overall, the magnitude of effect for both mental health status and physical health status was similar; higher scores were significantly associated with a lower risk of mortality at 6-year follow-up.

Original languageEnglish
Pages (from-to)172-178
Number of pages7
JournalFamily Practice
Issue number2
StatePublished - 27 Mar 2018


  • Coronary disease
  • Health status
  • Mortality
  • Primary health care
  • Quality of life
  • Secondary prevention

All Science Journal Classification (ASJC) codes

  • Family Practice


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