Research Article

The Relationship between Ischemic Stroke Patients with and without Retroflex Tongue: A Retrospective Study

Table 3

The ROC curve of retroflex tongue and NIHSS and Barthel Index of ischemic stroke patients.

Criterion values and coordinates of ROC curveArea under the ROC curve
ValueSensitivitySpecificity+LR−LRAreaSE95% CI value

NIHSS ≥ 90.7560.5621.7270.4340.7030.0310.643–0.764<0.001
Barthel Index ≤ 170.6020.7512.4200.5300.7120.0300.653–0.771<0.001

Sensitivity: true positive rate; specificity: true negative rate.
LR+, positive likelihood ratio; LR−, negative likelihood ratio.
; .
Area: area under the curve; has significant statistical differences.