a decreasing trendp < 0.05
Along with the declining prevalence of COPD, a decreasing trend in the prevalence of COPD-related PH was identified from 2009 to 2018 (from 44.8 in 2009 to 33.1 in 2018 per 1000 person-year, p < 0.05).
Along with the declining prevalence of COPD, a decreasing trend in the prevalence of COPD-related PH was identified from 2009 to 2018 (from 44.8 in 2009 to 33.1 in 2018 per 1000 person-year, p < 0.05).