A controlled study on the diagnostic accuracy of panoramic and peri-apical radiography for detecting furcation involvement

Table 3 Diagnostic parameters of peri-apical radiography for assessing FI

	Experienced clinicians	Trainees	P-value	All clinicians
Accuracy	0.208 (95% CI 0.047–0.389) AUC: 0.69	0.215 (95% CI 0.055–0.418) AUC: 0.63	0.880	0.221 (95% CI 0.051–0.404) AUC: 0.69
Sensitivity^a	0.441 (95% CI 0.373–0.508)	0.442 (95% CI 0.339–0.545)	0.425	0.441 (95% CI 0.386–0.497)
Specificity^a	0.793 (95% CI 0.758–0.825)	0.788 (95% CI 0.751–0.825)	0.820	0.790 (95% CI 0.768–0.812)
Positive predictive value^a	0.454 (95% CI 0.383–0.525)	0.424 (95% CI 0.313–0.535)	0.677	0.439 (95% CI 0.413–0.846)
Negative predictive value^a	0.783 (95% CI 0.683–0.884)	0.776 (95% CI 0.667–0.885)	0.596	0.780 (95% CI 0.748–0.835)

^aNo to limited FI = FI Grade 0 and FI Grade I; Advanced FI = FI Grade II and FI Grade III, AUC = Area Under (ROC)-Curve

ISSN: 1472-6831