NPPB and hydrops fetalis: Their duration of HF at inclusion was longer (5.2 [2.6–9.7] vs 3.6 [1.2–9.6] years), and their baseline levels of NT-proBNP (1649 [837–3205] vs 803 [245–1894] ng/L) and high-sensitivity troponin T (25 [14–42] vs 14 [8–24] ng/L) were higher.