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