NPPB and hypertensive disorder: In the current study, a history of HTN was observed in 46.6% of patients, which is higher than that found in the ADHF/NT-proBNP score (42.9%) [22], comparable to that reported in the ESCAPE study (47%) [23] and ELAN-SCORE (51%) [24], and lower than that presented in the ESC-HF-LT registry (65.6%) [4] and the OPTIMIZE-HF score (72%) [25].