BNP and Admission Glucose as In-Hospital Mortality Predictors in Non-ST Elevation Myocardial Infarction
Table 3
Comparison of BNP and blood glucose in outcome predictions. Area under the curve, sensitivity, specificity, positive predictive value, negative predictive value, and accuracy.
Biochemical factor
Point
AUC*
Sensitivity (%)
Specificity (%)
PPV (%)*
NPV (%)*
Accuracy (%)
In-hospital mortality
0.411
Glucose (mg/dL)
200
0.819
71.4
84.3
26.3
97.4
83.3
BNP (pg/mL)
300
0.748
71.4
68.5
15.2
96.8
68.7
Combined length of stay ≥ 10 days or in-hospital mortality
0.339
Glucose (mg/dL)
200
0.697
48.0
90.1
63.2
83.1
79.2
BNP (pg/mL)
300
0.760
64.0
76.1
48.5
85.7
72.9
Combined hospital readmission or mortality
0.343
Glucose (mg/dL)
200
0.524
15.7
84.3
42.9
57.3
55.1
BNP (pg/mL)
300
0.4631
34.2
70.6
46.4
59
55.1
*AUC: area under the curve; PPV: positive predictive value; NPV: negative predictive value; †comparison AUC admission blood glucose versus BNP.
