Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access
Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc
Journal website https://www.cardiologyres.org

Original Article

Volume 2, Number 3, June 2011, pages 106-111

The Influence of Cardiac Risk Factor Burden on Cardiac Stress Test Outcomes

Figures

Figure 1.
Figure 1. Distribution of stress tests based on patient location and type of test.
Figure 2.
Figure 2. The receiver operating curve for outpatients.
Figure 3.
Figure 3. The receiver operating curve for OU patients.
Figure 4.
Figure 4. The receiver operating curve for inpatients.

Tables

Table 1. Logistic Regression for Cardiac Risk Factors Based on Patient Location and for the Group
 
Number of risk factorsOverall N = 4,046 (95% CI)OU N = 45 (95% CI)Inpatient N = 561 (95% CI)Outpatient N = 2,740 (95% CI)
* Groups 4 and 5 combined. Odds ratio for positive stress test based on number of cardiac risk factors
11.6 (1.1 - 2.2)1.6 (0.8 - 3.3)0.6 (0.2 - 1.7)1.8 (1.2 - 2.7)
22.3 (1.7 - 3.2)2.2 (1.1 - 4.5)1.7 (0.8 - 3.8)2.4 (1.6 - 3.6)
32.5 (1.8 - 3.4)3.8 (1.9 - 7.5)1.6 (0.7 - 3.3)2.4 (1.6 - 3.6)
44.0 (2.8 - 5.7)5.5 (2.3 - 12.8)3.3 (1.3 - 8.0)3.5 (2.2 - 5.6)
55.2 (2.3 - 11.7)*7.4 (1.6 - 34.4)5.4 (1.8 - 15.9)

 

Table 2. Odds of a Positive Stress Test Based on Cumulative Risk Factors and Adjusted for Age and Prior CAD
 
Number of risk factorsOdds ratio (95% CI)
11.5 (1.1 - 2.1)
22.0 (1.5 - 2.8)
32.1 (1.5 - 2.9)
43.1 (2.0 - 4.5)
53.7 (1.2 - 8.7)
Age > 601.5 (1.2 - 1.8)
Prior CAD1.4 (1.1 - 1.7)

 

Table 3. Outcomes of Patients Taken for Cardiac Catheterization Based on Patient Location
 
ProcedureEDOU N = 33 (%)Outpatient N = 113 (%)Inpatient N = 39 (%)
PTCA1 (3)19 (17)2 (5)
CABG5 (15)21 (19)8 (21)