Table 2.
Meta-analysis of the association between hyperglycemia and periodontitis in cross-sectional studies according to study characteristics
| Overall periodontitis risk | No point | Sample size | Pooled OR (95% CI) | Heterogeneity assessment | |||
|---|---|---|---|---|---|---|---|
| Model | I-squared % | Q test | P-value of heterogeneity | ||||
| By Quality assessment | |||||||
| Moderate | 2 | 11,660 | 1.85 (0.68, 3.00) | Random | 85.90 | 7.08 | 0.008 |
| High | 15 | 46,800 | 1.44 (1.02, 1.87) | Random | 86.50 | 106.81 | < 0.001 |
| By hyperglycemia definition | |||||||
| FBS | 15 | 55,755 | 1.47 (1.04, 1.89) | Random | 87.60 | 112.06 | < 0.001 |
| HbA1c | 2 | 2,712 | 1.87 (1.38, 2.36) | Fixed | 0.00 | 0.90 | 0.343 |
| By dental indices | |||||||
| PD | 9 | 28,602 | 1.66 (1.06, 2.26) | Random | 92.00 | 104.76 | < 0.001 |
| CAL | 3 | 1,365 | 1.07 (0.53, 1.61) | Fixed | 0.00 | 0.98 | 0.612 |
| PD/CAL | 5 | 28,500 | 1.19 (0.92, 1.45) | Fixed | 0.00 | 3.62 | 0.460 |
| By hyperglycemia—dental indices | |||||||
| FBS-PD | 8 | 26,120 | 1.62 (0.95, 2.28) | Random | 93.10 | 101.85 | < 0.001 |
| FBS-CAL | 3 | 1,365 | 1.07 (0.53, 1.61) | Fixed | 0.00 | 0.98 | 0.612 |
| FBS-PD/CAL | 4 | 28,264 | 1.18 (0.86, 1.50) | Fixed | 12.50 | 3.43 | 0.330 |
| HbA1c-PD | 2 | 2,712 | 1.87 (1.39, 2.37) | Fixed | 0.00 | 0.90 | 0.343 |