|
Shock Index (≥0.8)
|
|
Sensitivity
|
85.1%
|
73.1%
|
59.1%
|
82%
|
|
Specificity
|
54.6%
|
65.6%
|
52.9%
|
52.5%
|
|
Positive Predictive value
|
21.8%
|
60.2%
|
33.6%
|
14.2%
|
|
Negative Predictive value
|
96.1%
|
77.4%
|
76.3%
|
96.8%
|
|
Positive likelihood ratio
|
1.87
|
2.12
|
1.25
|
1.72
|
|
Negative likelihood ratio
|
0.27
|
0.41
|
0.77
|
0.34
|
|
Shock Index (≥0.9)
|
|
Sensitivity
|
75.7%
|
59.7%
|
46.3%
|
70%
|
|
Specificity
|
70.5%
|
81.7%
|
68.9%
|
67.8%
|
|
Positive Predictive value
|
27.6%
|
70%
|
37.4%
|
17.2%
|
|
Negative Predictive value
|
95.1%
|
74%
|
76.2%
|
95.9%
|
|
Positive likelihood ratio
|
2.56
|
3.26
|
1.48
|
2.17
|
|
Negative likelihood ratio
|
0.34
|
0.49
|
0.77
|
0.44
|
|
Shock Index (≥1.0)
|
|
Sensitivity
|
63.5%
|
47.9%
|
36%
|
62%
|
|
Specificity
|
79.1%
|
88.9%
|
77.5%
|
77%
|
|
Positive Predictive value
|
31.1%
|
75.5%
|
39.1%
|
20.5%
|
|
Negative Predictive value
|
93.6%
|
70.5%
|
75.1%
|
95.5%
|
|
Positive likelihood ratio
|
3.03
|
4.31
|
1.6
|
2.69
|
|
Negative likelihood ratio
|
0.46
|
0.58
|
0.82
|
0.49
|
|
ABC Score
|
|
Sensitivity
|
44.9%
|
28.1%
|
32%
|
45.5%
|
|
Specificity
|
90.2%
|
95.7%
|
92.6%
|
88.5%
|
|
Positive Predictive value
|
40.8%
|
82.9%
|
63.2%
|
26.3%
|
|
Negative Predictive value
|
91.6%
|
64.5%
|
77.5%
|
94.7%
|
|
Positive likelihood ratio
|
4.58
|
6.53
|
4.32
|
3.95
|
|
Negative likelihood ratio
|
0.61
|
0.75
|
0.73
|
0.61
|
