Table 1. Demographics of idiopathic pulmonary arterial hypertension patients over time

Registry	[Ref.]	Time period	Age years	Female	1-year survival
US NIH registry	[17, 20]	1981–1988	36±15	63	68
French registry^#	[4, 19, 23]	2002–2003	52±15	62	89
US REVEAL	[3, 9, 12]	2006–2009	50±15	80	88
PH registry of the UK and Ireland^#,¶	[6]	2001–2009	50±17	70	93
COMPERA⁺	[13]	2007–2011	65±15	60	92
New Chinese registry	[26]	2008–2011	38±13	70	92
Czech registry	[7]	2000–2007	52±17	65	89^¶

Data are presented as mean±sd or %, unless otherwise stated. NIH: National Institutes of Health; REVEAL: Registry to Evaluate Early and Long-term PAH Disease Management; PH: pulmonary hypertension; COMPERA: Comparative, Prospective Registry of Newly Initiated Therapies for Pulmonary Hypertension. ^#: included idiopathic pulmonary arterial hypertension (PAH), familial/heritable PAH and anorexigen-associated PAH; ^¶: incident population; ⁺: countries involved included Austria, Belgium, Germany, Italy, the Netherlands, Switzerland and the UK.