Table 2. Meta-regression analysis to compare the effect of differences related to reference standard of the studies performed to detect initial 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 | 0.91 (0.37 to 2.22) | 0.824 | ||
| Others | 4.13 (1.24 to 13.76) | 0.023 | 4.41 (0.19 to 103.92) | 0.294 |
RDOR = Relative Diagnostic Odds ratio; 95% CI = 95% Confidence interval.