Table 3—

Sensitivity, specificity, positive and negative predictive values, and accuracy of various BNP levels in determining left ventricular function with use of echocardiography as the gold standard

BNP levels (pg/ml)(%) Sensitivity(%) SpecificityPositive predictive value (%)Negative predictive value (%)(%) Accuracy
CIE3990 (83–95)65 (52–77)83 (75–89)78 (64–88)81
6088 (81–93)83 (71–91)91 (84–95)79 (67–88)87
7986 (78–91)92 (81–97)95 (89–98)77 (66–86)88
9081 (73–88)93 (84–98)96 (89–99)73 (61–82)85
10279 (71–86)95 (86–99)97 (91–99)71 (60–80)85
no-CIE3988 (71–96)66 (53–78)58 (43–72)91 (78–97)74
6084 (66–95)76 (63–86)66 (49–80)90 (78–96)79
7975 (56–88)76 (63–86)63 (46–78)84 (72–93)76
9071 (53–86)83 (71–91)70 (51–84)84 (72–92)79
10266 (46–81)88 (77–95)75 (55–89)82 (70–91)80
  • Data are % (range) unless otherwise indicated. The different cut points were picked from the ROC curve.