Biomarker
In relation to
Sensitivity
Specificity
NPV
N
%
N
%
N
%
cTnT
Working ACS
8/19
42
83/89
93
83/94
88
Confirmed ACS
9/11
82
92/97
95
92/94
98
NT-pro BNP
Working HF
13/14
93
13/19
68
13/14
93
Confirmed HF
12/13
92
13/20
65
13/14
93
D-dimer
Working VTE
17/19
89
47/56
84
47/49
96
Confirmed VTE
10/11
91
48/64
75
48/49
98
Table 5:
Sensitivity, specificity and NPV of cTnT, NT-pro BNP and D-dimer in relation to the working and confirmed diagnoses of ACS, HF and VTE.