External validation of a refined 4-strata risk assessment score from the French pulmonary hypertension Registry.
Athénaïs BouclyJason WeatheraldLaurent SavalePascal de GrooteVincent CottinGrégoire PrévotAri ChaouatFrançois PicardDelphine Horeau-LanglardArnaud BourdinÉtienne-Marie JutantAntoine BeurnierMitja JevnikarXavier JaïsGérald SimonneauI David MontaniOlivier SitbonMarc HumbertPublished in: The European respiratory journal (2021)
The 4-strata risk assessment method refined risk prediction, especially within the intermediate risk category of patients, performed better at predicting survival and was more sensitive to change than the 3-strata approach.