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Table 2 The effect of oral ondansetron on QT interval

From: The effect of oral ondansetron on QT interval in children with acute gastroenteritis; a retrospective observational study

  Mean ± SD Range  
PreQTc, ms 403.3 ± 24.0 343.0 – 482.0  
PostQTc, ms 407.2 ± 26.7 343.0 – 472.0  
Paired t-test    95% CI (P value)
ΔQTc, ms 3.9 ± 19.9 −40.0 – 47.0 −0.5 – 8.3 (0.08)
  1. Data are presented as mean with standard deviation (SD), Range and Confidential interval (CI). QTc corrected QT interval
  2. QTc is calculated by Bazett’s method
  3. ΔQTc is the change of QT interval before and after oral ondansetron administration