Skip to main content

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