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Association between physical distress, quality of life and three years incidence of cardiovascular events. Cox proportional hazard regression model. Max and minimum scores in each tertile of Physical Symptom Distress Index: 1st 13–15, 2nd 16–20, 3rd 21–38; Life Satisfaction Index: 1st 14–22, 2nd 23–26, 3rd 27–44. HR, Hazard ratio; CI, Confidence interval.

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Einvik et al. BMC Cardiovascular Disorders 2009 9:14   doi:10.1186/1471-2261-9-14