Risk factors for pulmonary mortality in patients with obstructive sleep apnea: a competing risk analysis integrating Cox regression, random survival forests, and unsupervised clustering.
INTRODUCTION Obstructive sleep apnea (OSA) is associated with increased all-cause mortality, yet the specific determinants of pulmonary mortality in this population remain poorly characterized. OBJECTIVES To identify independent risk factors for pulmonary-specific death in OSA patients using complementary statistical...