The use of heart rate variability, oxygen saturation, and anthropometric data with machine learning to predict the presence and severity of obstructive sleep apnea - dos Santos, Rafael Rodrigues; Marumo, Matheo Bellini; Eckeli, Alan Luiz; Salgado, Helio Cesar; Silva, Luiz Eduardo Virgílio; Tinós, Renato; Fazan, Rubens (Frontiers in Cardiovascular Medicine, 2025)