Fig. 3
From: Obstructive sleep apnoea accelerates FEV1 decline in asthmatic patients

Comparison of the decline in FEV1 per year among asthmatic patients with severe obstructive sleep apnea before and after CPAP treatment
From: Obstructive sleep apnoea accelerates FEV1 decline in asthmatic patients
Comparison of the decline in FEV1 per year among asthmatic patients with severe obstructive sleep apnea before and after CPAP treatment