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Table 3 Comparisons according to ΔQTc

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

  ΔQTc < 30 ms ΔQTc ≥30 ms P
Patients, n (%) 73 (91.3) 7 (8.7)  
Female, n (%) 39 (53) 5 (71)  
Age, mon 52.0 (31.5 – 68.3) 30.0 (10.0 – 44.0) 0.02
Weight, kg 17.0 (13.0 – 20.0) 12.0 (10.6 – 15.6) 0.02
Ondansetron, mg/kg 0.2 (0.1 – 0.2) 0.2 (0.1 – 0.2) 0.56
PreQTc, ms 404.0 (387.8 – 424.0) 383.0 (379.0 – 394.0) 0.04
PostQTc, ms 411.0 (388.0 – 425.3) 422.0 (411.0 – 439.0) 0.09
  1. Data are presented as number (n, %) or median with interquartile range (IQR)
  2. ΔQTc is the change of QT interval before and after oral ondansetron administration
  3. P value < 0.05 was set to be statistically significant