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Table 4 Sensitivity, specificity, positive likelihood ratio, negative likelihood ratio and odds ratio at different cut-off levels of pro-ANP

From: Pro-atrial natriuretic peptide is a prognostic marker in sepsis, similar to the APACHE II score: an observational study

Pro-ANP cut-off (pmol/l)

Sensitivity (95% CI)

Specificity (95% CI)

LR+

LR-

Odds ratio (95% CI)

350

93% (68–99%)

77% (62–88%)

4.1

0.09

47.6 (5.5–408)

530

86% (59–98%)

88% (75–96%)

7.6

0.15

50.7 (8.7–293)

700

73% (44–92%)

93% (81–98%)

10.7

0.29

37.5 (7.3–193)

  1. ANP, atrial natriuretic peptide; CI, confidence interval; LR-, negative likelihood ratio; LR+, positive likelihood ratio;