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

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

  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
  1. 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
  2. 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%