Table 3.

Diagnostic indices for repeat Cardio Detect and combination tests.

Parameter	Repeat Cardio Detect (95% CI)	Cardio Detect and TnT (combination test)
Sensitivity (%)
≤ 4 h	60.0 (17.0-92.7)	60.0 (27.3-86.3)
> 4 but ≤ 12 h	50.0 (2.60-97.3)	100.0 (56.0-100.0)
> 12 but ≤ 24 h	-	100.0 (46.2-100.0)
> 24 h	-	100.0 (5.4-100.0)
Specificity (%)
≤ 4 h	85.7 (58.3-97.6)	63.6 (40.8-81.9)
> 4 but ≤ 12 h	50.0 (31.6-68.3)	52.0 (33.7-72.8)
> 12 but ≤ 24 h	-	25.0 (3.9-59.8)
> 24 h	-	66.6 (12.5-98.2)
PPV (%)
≤ 4 h	60.0 (17.0-92.7)	42.8 (18.8-70.3)
> 4 but ≤ 12 h	14.2 (0.3-32.2)	33.3 (17.2-61.3)
> 12 but ≤ 24 h	-	45.5 (16.4-71.4)
> 24 h	-	50.0 (2.6-97.3)
NPV (%)
≤ 4 h	85.7 (58.3-97.6)	77.7 (51.9-92.6)
> 4 but ≤ 12 h	85.7 (67.7-99.6)	100 (73.2-100.0)
> 12 but ≤ 24 h	-	100.0 (19.7-100.0)
> 24 h	-	100 (19.7-100)