Table 2

Risk evaluation for admission CAD in patients with specific immune-mediated inflammatory diseases

Patient noAdmission CAD eventsFollow-up years (mean)Admission CAD incidence rate per 100 PYCrude HR
(95% CI)
P valueAdjusted HR*
(95% CI)
P value
Main analysis
 All IMID58 86221395.30.691.93 (1.84 to 2.02)<0.00011.30 (1.24 to 1.37)<0.0001
 Rheumatoid arthritis26 82011415.60.762.12 (2.00 to 2.25)<0.00011.21 (1.13 to 1.28)<0.0001
 Sjogren’s syndrome17 5305344.60.661.86 (1.71 to 2.03)<0.00011.25 (1.15 to 1.37)<0.0001
 SLE10 0142815.50.511.42 (1.27 to 1.60)<0.00011.78 (1.58 to 2.01)<0.0001
 IIM1488594.70.842.37 (1.83 to 3.05)<0.00011.63 (1.26 to 2.10)0.0002
 Systemic sclerosis1373845.01.223.44 (2.78 to 4.26)<0.00011.96 (1.58 to 2.43)<0.0001
 Behcet’s disease1161186.70.230.65 (0.41 to 1.03)0.0650.90 (0.56 to 1.42)0.64
 Systemic vasculitis476225.20.892.53 (1.67 to 3.83)<0.00011.20 (0.79 to 1.83)0.38
 General population1 000 00020 2475.70.36ReferenceReference
Subgroup analysis
Men aged <45 years, women <50 years
 All IMID25 6743465.90.232.6 (2.32 to 2.9)<0.00011.71 (1.51 to 1.94)<0.0001
 Rheumatoid arthritis95341026.20.171.91 (1.57 to 2.33)<0.00011.16 (0.94 to 1.42)0.158
 Sjogren’s syndrome6306585.10.182.14 (1.65 to 2.77)<0.00011.43 (1.09 to 1.86)0.009
 SLE75591435.90.323.58 (3.03 to 4.23)<0.00012.85 (2.36 to 3.43)<0.0001
 IIM660135.60.353.99 (2.31 to 6.88)<0.00011.73 (0.99 to 3.03)0.054
 Systemic sclerosis493186.10.606.78 (4.27 to 10.78)<0.00013.18 (1.99 to 5.09)0.0001
 Behcet’s disease87766.90.101.1 (0.49 to 2.44)0.8200.74 (0.33 to 1.66)0.472
 Systemic vasculitis24566.00.414.56 (2.05 to 10.15)<0.00012.27 (1.01 to 5.07)0.046
 General population615 28032946.00.09ReferenceReference
Men aged ≥45 years, women ≥50 years
 All IMID33 18817934.81.111.3 (1.23 to 1.36)<0.00011.18 (1.12 to 1.24)<0.0001
 Rheumatoid arthritis17 28610395.31.141.32 (1.24 to 1.4)<0.00011.15 (1.08 to 1.23)<0.0001
 Sjogren’s syndrome11 2244764.40.971.14 (1.04 to 1.25)0.051.16 (1.06 to 1.28)0.002
 SLE24551384.31.311.53 (1.29 to 1.8)<0.00011.26 (1.06 to 1.49)0.009
 IIM828464.11.371.6 (1.2 to 2.13)0.0021.41 (1.06 to 1.89)0.020
 Systemic sclerosis880664.41.691.98 (1.55 to 2.52)<0.00011.62 (1.27 to 2.06)<0.0001
 Behcet’s disease284126.10.690.79 (0.45 to 1.4)0.4220.92 (0.52 to 1.61)0.761
 Systemic vasculitis231164.31.621.9 (1.16 to 3.1)0.0110.98 (0.6 to 1.6)0.942
 General population384 72016 9535.10.86ReferenceReference
  • *Adjusted by age, sex, DM, HTN, dyslipidaemia, renal failure, atherosclerosis, steroids, antidiabetics, diuretics, beta-blockers, calcium channel blocker, lipid lowing agents, aspirin, non-steroid anti-inflammatory drugs.

  • CAD, coronary artery disease; DM, diabetes mellitus; HTN, hypertension; IIM, idiopathic inflammatory myositis; IMID, immune-mediated inflammatory disease; PY, person-years; SLE, systemic lupus erythematosus.