Table 2.

The median right and left middle ear pressures (dPa).

Groups	Right ears	Left ears
Control group	−12.5 [(-48.22)‒(18.22)]	−12.44 [(−44.14)‒(18.57)]
Mild OSA	−12.68 [(-42.16)‒(8.12)]	−12.64 [(−43.74)‒(9.41)]
Moderate OSA	−12.14 [(-37.82)‒(6.41)]	−12.28 [(−35.17)‒(7.14)]
Severe OSA without CPAP therapy	−68.98 [(-123.59)‒(-31.48)]	−68.52 [(−136.41)‒( −32.01)]
Severe OSA with CPAP therapy	−34.7 [(-112.86)‒(-12.28)]	−32.58 [(−115.67)‒( −11.43)]
p-valuea	< 0.001	< 0.001

OSA, Obstructive Sleep Apnea Syndrome; CPAP, Continuous Positive Airway Pressure.

^aKruskal Wallis analysis.