Figure 4.

Reported 1‐year survival of pulmonary arterial hypertension in 58 studies identified in systematic review x‐axis text: Percent surviving 1 year. Reported 1‐year survival of pulmonary arterial hypertension per 100,000 as identified by echocardiography, right heart catheterization, echocardiography + right heart catheterization, or electronic data capture. Studies identified by first author and date of publication. Data represent reported incidence and 95% confidence interval. When a confidence interval was not reported, we used cases and sample size to estimate a standard error using Wilson's score