Fig. 1From: The firstly visited department affects the acceptance of CPAP in patients with obstructive sleep apnea: a cohort studyFlow diagram of included patients. OSA obstructive sleep apnea, CPAP continuous positive airway pressure, AHI apnea–hypopnea index. *Specialty referring to < 10 patients: 2 from nephrology, 4 from physical medicine and rehabilitationBack to article page