Table 1. Mean and 95% confidence intervals of maximum pressures (mmHg) achieved during the first 30 seconds of inflation for each balloon type
Balloon typeInitial inflationAfter 20 inflationsAfter 50 inflations
nMean (mmHg)95% confidence interval
(mmHg)
Mean
(mmHg)
95% confidence interval
(mmHg)
Mean (mmHg)95% confidence interval
(mmHg)
Otovent (A)892.988.9 to 96.882.779.6 to 85.777.474.0 to 80.8
Modelling (B)10278.1221.14 to 335.0107.575.7 to 139.2n/an/a
Spiral – 5 seconds (C)1079.7770.6 to 89.058.553.6 to 63.4n/an/a
Spiral – 30 seconds (C)1074.7764.6 to 84.862.157.5 to 66.7n/an/a
Sphere 1 (D)1083.677.3 to 90.074.067.5 to 80.571.266.5 to 75.9
Sphere 2 (E)10107.796.5 to 118.982.677.3 to 87.977.167.8 to 86.4