Table 3 Principal Results as a Function of Tube Size.
7.0 mm | 7.5 mm | 8.0 mm | 8.5 mm | P | |
|---|---|---|---|---|---|
Patients with measured cuff pressure >30 cmH 2 O (%) | 57 | 57 | 47 | 30 | 0.444 |
Measured Cuff Pressure (mmHg) | 32 [22, 52] | 38 [24, 49] | 30 [16, 38] | 24 [21, 40] | 0.467 |
Measured Cuff Volume (ml) | 3.9 [3.0, 5.0] | 4.5 [2.7, 5.0] | 4.6 [3.5, 6.1] | 3.8 [3.0, 5.0] | 0.616 |
Volume Required for 20 cmH 2 O (ml) | 2.6 [2.0, 3.1] | 2.5 [1.8, 3.0] | 3.0 [2.5. 4.1] | 3.3 [2.0, 3.9] | 0.143 |