Table 2.

Principal Results as a Function Hospital

	University of Louisville Hospital	Norton Hospital	Jewish Hospital	P
Measured Cuff Pressure (cmH2O)	26 [18, 38]	34.5 [20, 50.5]	33 [22.5, 48.5]	0.469
Measured Cuff Volume (ml)	4.0 [3.0, 5.0]	4.3 [3.0, 6.0]	4.5 [3.2, 5.5]	0.646
Volume Required for 20 cmH2O (ml)	2.7 [2.1, 3.8]	2.5 [2.3, 3.3]	2.9 [2.2, 3.7]	0.792

Results presented as median [interquartile range].