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Table 5 Prospective digital speckle-tracking analysis of diastolic wall strain as a marker of abnormal cardiac mechanics

From: Diastolic wall strain: a simple marker of abnormal cardiac mechanics

  Abnormal value Correlation with DWS ROC analysis
Strain parameter R P-value C-statistic (95% CI)
Global longitudinal strain < 12.5% 0.61 0.0001 0.78 (0.61-0.95)
Global circumferential strain < 15% 0.57 0.0003 0.79 (0.61-0.97)
Global radial strain < 35% 0.73 <0.0001 0.84 (0.71-0.97)