Other variables associated with HF in univariate analysis included gender (male; 70.0 vs. 89.2%, P=0.029), age (64.9±11.7 vs. 55.9±11.6 years, P=0.002), LVEF (48.1±7.3 vs. 53.3±7.6%, P=0.007), NT-proBNP [3,369 (1,112–4,778) vs. 829 (375–1,379) pg/ml, P<0.001] and peak cTnT [6.9 (3.3–10) vs. 3.1 (2.0–5.3) ng/ml, P=0.002]. The gene discussed is NPPB; the disease is hydrops fetalis.