Research Article

[Retracted] Clinical Study of Virtual Reality Augmented Technology Combined with Contrast-Enhanced Ultrasound in the Assessment of Thyroid Cancer

Table 7

Diagnostic efficacy of ultrasound signs of malignant thyroid nodules.

Ultrasound signsSensitivitySpecificityPositive predictive valueNegative predictive valueAccuracyPositive likelihood ratioOdds ratio

Microcalcification51.2388.8745.6688.7883.084.6210.661
Envelope invaded34.2595.1256.0288.8185.726.9910.089
Reality100.0030.2320.7362.2940.981.4318.352
Low echo87.8155.5726.4896.1660.511.989.123
Irregular shape60.9984.5547.1892.4983.454.9110.994
Aspect ratio ≥158.5594.2364.8892.5688.7310.1423.024
Far field48.7790.2247.6390.6383.824.9813.031
Unclear edges60.9883.6739.1692.0873.323.537.453