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Table 2 The comparison between water and carbohydrate group

From: Different preoperative fluids do not affect the hemodynamic status but gastric volume: results of a randomized crossover pilot study

  Time point Water (20) Carbohydrate (20) p
IVCCI> 42% T1 8 (40%) 6 (30%) 0.507
T2 6 (30%) 6 (30%) 1.000
T3 5 (25%) 5 (25%) 1.000
T4 6 (30%) 4 (20%) 0.465
T5 6 (30%) 4 (20%) 0.465
  p linear (T1 to T5) 0.543 0.330  
  p linear (T2 to T5) 0.913 0.414  
GV < 0.8 ml/kg T1 18 (90%) 16 (80%) 0.658
T2 16 (80%) 4 (20%) < 0.001
T3 18 (90%) 14 (70%) 0.236
T4 20 (100%) 19 (95%) 1.000
T5 20 (100%) 19 (95%) 1.000
  p linear (T1 to T5) 0.038 0.001  
  p linear (T2 to T5) 0.008 < 0.001  
  1. IVCCI Collapsibility index of Inferior vena cava
  2. GV Gastric volume
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BMC Anesthesiology

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