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 cmH2O (%)
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 cmH2O (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

Results presented as medians [interquartile range] or percent.

Sengupta et al. BMC Anesthesiology 2004 4:8   doi:10.1186/1471-2253-4-8