Clinical Study

Sensitivity, Specificity, Predictive Values, and Accuracy of Three Diagnostic Tests to Predict Inferior Alveolar Nerve Blockade Failure in Symptomatic Irreversible Pulpitis

Table 1

Sensitivity, specificity, predictive values (positive (PPV) and negative (NPV)), accuracy, the Youden Index, and the statistical power for the diagnostic tests.

Sensitivity
(CI 95%)
Specificity
(CI 95%)
PPV
(CI 95%)
NPV
(CI 95%)
Accuracy
(CI 95%)
Youden Index
(CI 95%)
Statistical
power

Lip numbness0.03
(0.00, 0.13)
1.00
(0.69, 1)
1.00
(0.01, 1)
0.29
(0.17, 0.43)
0.30
(0.18, 0.44)
0.03
(−0.3, 0.1)
0.0212
Cold stimuli test0.35
(0.2, 0.51)
1.00
(0.7, 1)
1.00
(0.66, 1)
0.38
(0.22, 0.54)
0.53
(0.39, 0.67)
0.34
(−0.1, 0.51)
0.9625
Responsiveness during endodontic access0.55
(0.37, 0.7)
1.00
(0.68, 1)
1.00
(0.77, 1)
0.44
(0.26, 0.62)
0.68
(0.54, 0.80)
0.54
(0.05, 0.7)
0.9999