Table 3. Meta-regression analysis to compare the effect of differences related to reference standard of the studies performed to detect more advanced caries lesions on occlusal surfaces of permanent teeth.
| Laser fluorescence (LF) | Pen-type LF | |||
| RDOR (95% CI) | p | RDOR (95% CI) | p | |
| Histological | 1.00 | 1.00 | ||
| Operative intervention | 3.01 (1.26 to 7.20) | 0.015 | 0.96 (0.12 to 7.77) | 0.961 |
| Others | 0.62 (0.15 to 2.46) | 0.483 | ||
RDOR = Relative Diagnostic Odds ratio; 95% CI = 95% Confidence interval.