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Table 5 Multinomial regression of treatment choice of percutaneous coronary intervention (PCI), or both PCI and coronary artery bypass grafting (CABG) compared to CABG as the reference group

From: Cardiology providers’ recommendations for treatments and use of patient decision aids for multivessel coronary artery disease

  Univariate Model Full Model
CABG (ref) PCI Both PCI Both
  RR (95% CI) RR (95% CI) RR (95% CI) RR (95% CI)
Vignette         
 Smith 1 ref 1 ref 1 ref 1 ref
 Adams 9.97 (3.75, 26.49) 2.95 (1.29, 6.73) 11.13 (3.96, 31.28) 3.23 (1.23, 8.46)
 Jones 1.81 (0.93, 3.52) 1.38 (0.90, 2.13) 1.97 (0.99, 3.90) 1.52 (0.93, 2.51)
Participant type         
 Cardiologist 1 ref 1 ref 1 ref 1 ref
 Surgeon 0.16 (0.04, 0.58) 0.11 (0.04, 0.35) 0.14 (0.03, 0.59) 0.10 (0.03, 0.34)
 Nurse 0.43 (0.11, 1.59) 0.14 (0.04, 0.47) 0.45 (0.10, 1.98) 0.14 (0.04, 0.50)
 Other 0.31 (0.09, 1.05) 0.09 (0.03, 0.32) 0.29 (0.07, 1.19) 0.09 (0.03, 0.32)
  1. Relative risk (RR) reflects the relative likelihood of choosing PCI or both treatments over CABG, compared to that of the referent group in each variable
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BMC Cardiovascular Disorders

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