Fig. 1: Baseline characteristics of all enrolled hospitals in this survey.
From: The availability of drugs for stable COPD treatment in China: a cross-sectional survey
A Level of hospitals (n = 1018). B Public or private hospitals (n = 1018). C Establishment of independent respiratory department (n = 1018). D Number of beds in the respiratory department (n = 547). E Number of doctors in the respiratory department (n = 547). F Establishment of respiratory outpatient (n = 547).
