Tidal volume ratios

CE:NST

p

CE:THT

p

NST:THT

p

Control

1.007

0.488

0.875

0.014

0.894

0.035

Edentulous

0.955

0.618

0.435

0.013

0.440

0.014

Mallampati 3 or 4

1.160

0.509

0.723

0.035

0.810

0.193

Beard

1.566

0.408

0.669

0.198

0.561

0.193

OSA

1.541

0.843

0.531

0.372

0.505

0.431