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To examine the risk of clinical coronary heart disease (CHD) in patients with rheumatoid arthritis (RA) compared with age‐ and sex‐matched non‐RA subjects, and to determine whether RA is a risk factor for CHD after accounting for traditional CHD risk factors.

We assembled a population‐based incidence cohort of 603 Rochester, Minnesota residents ages ≥18 years who first fulfilled the American College of Rheumatology (ACR) 1987 criteria for RA between January 1, 1955 and January 1, 1995, and 603 age‐ and sex‐matched non‐RA subjects. All subjects were followed up through their complete inpatient and outpatient medical records, beginning at age 18 years until death, migration, or January 1, 2001. Data were collected on CHD events and traditional CHD risk factors (diabetes mellitus, hypertension, dyslipidemia, body mass index, smoking) using established diagnostic criteria. CHD …