Diagnostic Accuracy of CBCT for Detection of Second Canal of Permanent Teeth: A Systematic Review and Meta-Analysis

Table 5

Sensitivity and specificity of CBCT for detection of second canal according to level of prevalence.

Level of prevalence (%)	≤30	>30% to <70	≥70
Sensitivity (95% CI)	89.8% (34.1%–99.3%)	87.5% (76.2%–93.8%)	99.1% (65.9%–100%)
Specificity (95% CI)	97.6% (94.7%–99%)	91.9% (84.8%–95.9%)	77.5% (31.9%–96.2%)

%: percentage; CI: confidence interval.