NPPB and Sepsis: The median plasma NT-proBNP levels were 656 ng/L (465–2150 ng/L) in non-HF sepsis patients, 1350 ng/L (1200–3054 ng/L) in non-HF severe sepsis patients, and 1425 ng/L (1250–3225 ng/L) in non-HF septic shock patients.