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Table 2 Linear mixed regression analysis correlating mask pressure and upper airway dimensions

From: The effect of CPAP on the upper airway and ventilatory flow in patients with obstructive sleep apnea

Site

β coefficient

95% CI

P-value

Soft palate

-9.5

-11.4 to -7.5

< 0.001

Lateral walls

-5.3

-6.4 to -4.2

< 0.001

Tongue base

-5.3

-6.3 to -4.3

< 0.001

Epiglottis

0.2

-0.5 to 0.9

0.54

  1. Separate linear models were fitted for each upper airway level with random patient effect to account for non-independence of the observations.
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Respiratory Research

ISSN: 1465-993X

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