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Table 6 Comparison between case and control groups as regards the duration of MV and length of stay (days)

From: A comparative study between effect of combined intravenous and nebulized amikacin versus intravenous amikacin alone in mechanically ventilated patients with ventilator-associated pneumonia (VAP)

   Group A Group B A/B^
Duration MV Median (IQR) 19.0
(16.0–26.3)
23.5
(21.3–26.0)
0.037*
Range 13.0–90.0 20.0–38.0
LOS Median (IQR) 21.5
(16.3–27.0)
25.5
(23.0–28.5)
0.045*
Range 15.0–90.0 20.0–38.0
  1. IQR interquartile range
  2. ^sign is to indicate the use of mann whitney test
  3. *statistical significance of the value according to the mentioned test