Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access
Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc
Journal website https://www.cardiologyres.org

Original Article

Volume 9, Number 1, February 2018, pages 17-21

Diagnostic Value of D-Dimer in Acute Myocardial Infarction Among Patients With Suspected Acute Coronary Syndrome

Figure

Figure 1.
Figure 1. Receiver operating characteristic curve on the diagnostic value of D-dimer in diagnosis of acute myocardial infarction.

Tables

Table 1. Baseline Characteristics of Patients With Myocardial Infarction Compared to Patients With Unstable Angina
 
VariablesMyocardial infarction (n = 34)Unstable angina (n = 41)P
Sex, male, n (%)22 (64.7%)19 (46.3%)0.162
Age (mean ± SD)63.3 ± 6.963.0 ± 11.60.886
Diabetes, n (%)22 (64.7%)20 (47.8%)0.325
Dyslipidemia, n (%)12 (35.2)13 (31.7)0.808
Blood glucose (mean ± SD), mg/dL247.0 ± 94.5209.5 ± 91.60.086
Troponin (mean ± SD), mg/dL0.73 ± 0.40.16 ± 0.30.001
D-dimer (mean ± SD), mg/dL1,087.6 ± 395.6584.6 ± 444.10.001

 

Table 2. Comparing Serum Level of D-Dimer and Troponin in Three Groups of Patients With Myocardial Infarction With ST Segment Elevation, Without ST Segment Elevation, and Unstable Angina
 
VariablesMyocardial infarction with ST segment elevation (n = 34)Myocardial infarction without ST segment elevation (n = 12)Unstable angina (n = 29)P
Troponin (mean ± SD), mg/dL0.73 ± 0.40.51 ± 0.30.02 ± 0.10.001
D-dimer (mean ± SD), mg/dL1,087.6 ± 395.6846.0 ± 592.6476.4 ± 320.10.001

 

Table 3. Operative Characteristics of D-Dimer for the Diagnosis of Myocardial Infarction
 
Discriminate level (ng/mL)Sensitivity, %Specificity, %
47410056.1
54891.263.4
68285.370.7
54891.263.4