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. Author manuscript; available in PMC: 2013 Sep 15.
Published in final edited form as: Am J Cardiol. 2012 Jun 8;110(6):862–869. doi: 10.1016/j.amjcard.2012.05.015

Table 3.

Multivariate Models for HF-ACTION Primary Endpoint (n=519 with complete data)

Multivariate Model Multivariate Model Chi-Square Value Multivariate p-value of added predictor(s) beyond the Basic model C-index
Basic 57.8 0.61
Basic + Left ventricular diastolic dimension 58.4 0.49 0.61
Basic + Left ventricular mass 58.0 0.69 0.61
Basic + Left ventricular ejection fraction 58.1 0.60 0.61
Basic + Left atrial dimension 61.1 0.07 0.61
Basic + Peak mitral early diastolic-to-peak late diastolic velocity ratio 66.6 0.003 0.62
Basic + Early diastolic deceleration time 60.2 0.12 0.61
Basic + Peak mitral early diastolic velocity-to-tissue Doppler peak early diastolic myocardial velocity ratio 65.6 0.005 0.61
Basic + Mitral regurgitation grade 62.7 0.08 0.61
Basic + All 8 echo variables 74.6 multiple added predictors 0.62
Basic + Peak oxygen consumption 92.5 <0.0001 0.64
Basic + Peak oxygen consumption + Peak mitral early diastolic-to-peak late diastolic velocity ratio 94.8 0.13 (E/A) <0.0001 (peak VO2) 0.64

Basic multivariate model for primary endpoint includes beta blocker dose (truncated at 50mg/day), body surface area, BUN, gender, KCCQ symptom stability score, region (U.S. vs. non-U.S.), ventricular conduction.