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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: Heart Rhythm. 2009 Mar 11;6(7):984–992. doi: 10.1016/j.hrthm.2009.03.013

Table 4.

Comparison of Predictive Models with Fewer than 7 Tests for Correct Classification of ARVC/D.

Number of
Variables
In the Model		 Variables Included
in the Predictive Model		 Variables
Removed		 Score
Chi-Square
7-Variable Model Echo, Angio, SAECG, Holter,
Biopsy, ECG, MRI		 None 61.44
Best 6-Variable
Model		 Echo, Angio, SAECG, Holter,
Biopsy, ECG		 MRI 61.24
Best 5-Variable
Model		 Echo, Angio, SAECG, Holter,
ECG		 Biopsy, MRI 59.34*
Best 4-Variable
Model		 Echo, Angio, SAECG, Holter ECG, Biopsy,
MRI		 57.11*
Best 3-Variable
Model		 Echo, Angio, SAECG Holter, Biopsy,
ECG, MRI		 52.26*
*

models with diagnostic performance inferior to full 7-variable model at p<0.05