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Table 2 Comparison between the two studied groups according STS reduction percentage at 1-week follow-up visit

From: Predictors of pacing induced left ventricular dysfunction and cardiomyopathy assessed by three-dimensional echocardiography and speckle tracking strain

  Total
(n = 50)
No decline in LVEF(n = 25) Decline in LVEF(n = 25) Test of sig. p
  No. % No. % No. %
% (7 days)
 ≤ 15 23 46.0 22 88.0 1 4.0 χ2 = 29.639* < 0.001*
 > 15 27 54.0 3 12.0 24 96.0
  1. χ2 Chi-square test
  2. *Statistically significant at p ≤ 0.05