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Table 1 Leakage volume of olive oil and polyoxyethylene sorbitol ester (TWEEN® 20) for 10 min at each suction pressure at a cuff pressure of 15 cmH2O (n = 5)

From: Devising negative pressure within intercuff space reduces microaspiration

  41 cmH2O 54 cmH2O 68 cmH2O 82 cmH2O
Olive oil 0.39 (0.72) 0.16 (0.36) 0 0
TWEEN® 0 0 0 0
  1. Values are presented as means (sd) (ml)