Fig. 2From: Healthcare resource utilization in patients with pulmonary hypertension associated with chronic obstructive pulmonary disease (PH-COPD): a real-world data analysisAll-cause medical service utilization during the follow-up period. ED, emergency department. Other medical services included laboratory and pathology test, radiology, surgery, medical procedures/supplies/products during office visits, and other ancillary servicesBack to article page