Table 5 Performance parameters for the absence of acute stroke in the study population.

From: Stroke prediction in patients presenting with isolated dizziness in the emergency department

Variables

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

PLR

NLR

No CVA

78.18

7.77

3.79

88.46

0.85

2.81

Age ≤ 65

36.36

41.13

2.79

93.30

0.62

1.55

No CVA + age ≤ 65

85.55

5.07

4.01

88.24

0.90

2.87

  1. CVA cerebrovascular accident; NLR negative likelihood ratio, NPV negative predictive value; PLR positive likelihood ratio; PPV positive predictive value.