NPPB and androgen insensitivity syndrome: Additionally, AIS patients with an infarct diameter > 3 cm showed elevated NT-proBNP concentrations when compared to controls (logNT-proBNP: 7.96 ng/mL, SD: 1.66 vs. 6.52 ng/mL, SD: 1.6, p = 0.002) (33).