. Author manuscript; available in PMC: 2024 May 3.

Published in final edited form as: Clin Oral Investig. 2024 Jan 29;28(2):122. doi: 10.1007/s00784-024-05513-9

Table 7.

Correlation of upper airway volume and area with polysomnographic values

Polysomnographic variables	Upper airway variables

	ΔTotal UA vol	ΔTotal UA area	ΔSO vol	ΔSO area	ΔIO vol	ΔIO area
	p-value (r-value)	p-value (r-value)	p-value (r-value)	p-value (r-value)	p-value (r-value)	p-value (r-value)

ΔAHI	0.128 (−0.352)	0.254 (−0.268)	0.137 (−0.344)	0.356 (−0.218)	0.260 (−0.265)	0.239 (−0.276)
ΔSpO₂ mean	0.908 (−0.028)	0.800 (0.060)	0.735 (−0.081)	0.538 (−0.146)	0.829 (0.051)	0.283 (0.252)
ΔSpO₂ min	0.007 (0.586)**	0.004 (0.611)^*	0.031 (0.483)^*	0.005 (0.601)**	0.012 (0.551)^*	0.018 (0.523)^*

Δ variation, SO superior oropharynx, IO inferior oropharynx

p < 0.05, Pearson’s correlation