Table 3. Mixed-effect model for inflation numbers 2–50: results and inflation number of 'worst predictable' balloon for Otovent (A), sphere 1 (D), and sphere 2 (E).

Balloons		Intercept	Slopes	‘Worst predictable balloon’ inflation number when maximum pressure is 40 mmHg
n	Mean	SD	Mean	SD
Otovent (A)	8	86.75	1.446	–0.204	0.0163	185
Sphere 1 (D)	10	77.50	3.384	–0.18	0.0866	87
Sphere 2 (E)	10	90.20	2.377	–0.402	0.156	63