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Table 4 Impact of high and low BNP results on pre-test probabilities

From: The utility of B-type natriuretic peptide in the diagnosis of heart failure in the emergency department: a systematic review

Pre-test probability

Post-test probability for BNP < 105 pg/ml

Post-test probability for BNP > 300 pg/ml

10%

2%

46%

30%

5%

77%

50%

12%

88%

70%

25%

95%

90%

56%

99%