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Table 2 The incidence of air leakage in experiment B

From: Effects of lubrication on air-sealing performance of a pediatric cuffed tracheal tube

   Cuff pressure (cmH2O)
Tube size Lubrication 15 20 25 30 35
4.0 mm None 5/5 5/5 5/5 5/5 5/5
Water 4/5 4/5 4/5 4/5 4/5
K-Y jelly 1/5 0/5 0/5 0/5 0/5
P value 0.051 0.006 0.006 0.006 0.006
5.0 mm None 10/10 10/10 10/10 10/10 10/10
Water 9/10 9/10 9/10 9/10 9/10
K-Y jelly 2/10 1/10 1/10 1/10 1/10
P value <0.001 <0.001 <0.001 <0.001 <0.001
  1. The peak airway pressure was maintained at 25 cmH2O while the cuff pressure was varied from 35 to 15 cmH2O in decrements of 5 cmH2O