Log (cTnI)
(95% CI)
Specificity
(95% CI)
Sensitivity
(95% CI)
PPV
(95% CI)
NPV
(95% CI)
p
  (˗)                       (+)  
Group I (PTE) 20 (33.9%) 39 (66.1%) 0.603
(0.475-0.719)
0.661
(0.534-0.769)
0.629
(0.534-0.715)
0.636
(0.542-0.722)
0.004
Group II (controls) 35 (60.3%) 23 (39.7%)  
Total 55 (47.0%) 62 (53.0%)  
Table 5: Specificity, sensitivity, PPV and NPV of cTnI for subjects and controls.