Novel screening model of obstructive sleep apnea for snorers with suspected NAFLD undergoing liver sonography

BMC Pulmonary Medicine

Table 2 Correlations among hepatic indices, BMI, and OSA severity parameters

	AHI		Mean SpO₂		Minimal SpO₂		ODI3		T90%
	r	P	r	p	r	p	r	p	r	p
ALT	0.16	0.24	− 0.03	0.85	− 0.02	0.90	0.02	0.89	0.03	0.84
AST	0.09	0.51	0.05	0.71	0.07	0.60	− 0.04	0.78	− 0.07	0.57
BMI	0.45	< 0.01	− 0.34	< 0.01	− 0.29	< 0.05	0.40	< 0.01	0.27	< 0.05
CAP	0.35	< 0.01	− 0.35	< 0.01	− 0.29	< 0.05	0.33	< 0.01	0.39	< 0.01
HSI	0.33	< 0.05	− 0.22	0.10	− 0.19	0.15	0.26	< 0.05	0.18	0.18

The correlations among the hepatic indices, BMI, and other OSA severity parameters were evaluated using the Spearman correlation. Significant p values are marked in bold
AHI apnea–hypopnea index, ALT alanine aminotransferase, AST aspartate aminotransferase, BMI body mass index, CAP controlled attenuation parameter, HSI hepatic steatosis index, ODI oxygen desaturation index, OSA obstructive sleep apnea, SpO₂ oxygen saturation measured by pulse oximetry; T90%, the percentage of total recording time with oxygen saturation < 90%

ISSN: 1471-2466