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Table 4 Multivariate logistic regression for abnormality detected upon additional cardiac investigation

From: Pre-operative clinical predictors for cardiology referral prior to total joint arthroplasty: the ‘asymptomatic’ patient

  95% Cl
Predictors β S.E p OR Low High
Demographics
 Age 0.07 0.02 0.003 1.07 1.02 1.12
 Gender 0.80 0.39 0.042 2.22 1.03 4.79
 Current smoker 0.80 0.67 0.231 2.22 0.60 8.17
 Ex-smoker − 0.46 0.40 0.250 0.63 0.29 1.38
Cardiac history
 CVA 1.01 0.59 0.087 2.74 0.86 8.71
Family history
 FHx of CVD 1.28 0.40 0.001 3.61 1.65 7.89
Baseline cardiac Ix
 ECG abnormality 0.23 0.39 0.556 1.26 0.59 2.68
 Ejection fraction − 0.08 0.02 < 0.001 0.93 0.89 0.97
  1. Multivariate logistic regression results for abnormality detected upon additional cardiac investigation with adjusted odds ratios (OR) and associated 95% confidence intervals (Cl). Significant predictor variables are indicated by p < 0.05
  2. CVA cerebrovascular accident, FHx family history, CVD cardiovascular disease, Ix investigation, ECG electrocardiogram