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Table 1 Summary of stepwise selection

From: Left ventricular diastolic dysfunction index based on non-invasive measurements

Step Variable Degrees of Freedom Number In Chi-Square Score Wald Chi-Square P value
  Entered Removed      
1 Peak -dφ_hat/dV_hat   1 1 2.45   0.1174
2 Torsion Hysteresis Area   1 2 5.32   0.0211
3 E/A   1 3 5.08   0.0242
4 Mean E/e'   1 4 2.66   0.1031
5   Mean E/e' 1 3   1.29 0.2552