Table 3.

Risk factors for mortality, heart failure, and recurrent ischemia among 77 patients with rheumatoid arthritis (RA) and myocardial infarction (MI). Models adjusted for age at MI, sex, and year of MI.

RA Characteristics at Onset of MIN (%) or mean ± SDMortality HR (95% CI)Heart Failure HR (95% CI)Recurrent Ischemia HR (95% CI)
RF and/or ACPA-positive54 (70)1.36 (0.73, 2.54)1.19 (0.52, 2.73)0.96 (0.51, 1.80)
Duration of RA, yrs**14.0 ± 9.51.23 (0.92, 1.65)1.27 (0.86, 1.88)0.95 (0.69, 1.32)
Rheumatoid nodules63 (82)1.29 (0.56, 2.97)1.11 (0.40, 3.07)0.72 (0.35, 1.49)
Erosions/destructive changes65 (84)1.76 (0.71, 4.35)1.84 (0.54, 6.30)1.60 (0.66, 3.85)
Severe extraarticular disease63 (82)1.42 (0.63, 3.20)0.99 (0.36, 2.69)0.98 (0.46, 2.08)
Methotrexate17 (22)0.83 (0.42, 1.66)0.93 (0.37, 2.38)0.91 (0.43, 1.93)
Hydroxychloroquine9 (12)1.75 (0.67, 4.59)0.67 (0.15, 2.88)0.82 (0.28, 2.37)
Other nonbiologic DMARD10 (13)2.36 (0.84, 6.62)0.45 (0.06, 3.52)1.09 (0.40, 2.95)
Corticosteroids25 (32)1.24 (0.68, 2.27)0.75 (0.32, 1.73)1.47 (0.79, 2.72)
  • Among 64 patients without heart failure prior to myocardial infarction.

  • ** Hazard ratio (HR) per 10-year increase in disease duration. RF: rheumatoid factor; ACPA: anticitrullinated protein antibodies; DMARD: disease-modifying antirheumatic drugs.