Table 4.
Accuracy of four best performed PMPE protocols in estimating periodontitis prevalence according to half-reduced CDC/AAP case definition in NHANES sample by age and gender
| Periodontitis prevalence (%) | Absolute bias (%) | Relative bias (%) | Inflation factor (%) | |||||
|---|---|---|---|---|---|---|---|---|
| Moderate PD (SE) | Severe PD (SE) | Moderate PD | Severe PD | Moderate PD | Severe PD | Moderate PD | Severe PD | |
| Age 30-39 yrs | ||||||||
| FMPE* | 15.8 (1.2) | 3.5 (0.6) | Ref | Ref | Ref | Ref | Ref | Ref |
| Full-mouth PMPEs** | ||||||||
| CPI | 19.7 (1.3) | 5.5 (0.8) | 3.9 | 2.0 | 24.7 | 57.1 | 80.2 | 63.6 |
| MB-DB | 17.8 (1.3) | 4.3 (0.7) | 2.0 | 0.8 | 12.7 | 22.9 | 88.8 | 81.4 |
| MB-DL | 18.5 (1.3) | 4.9 (0.7) | 2.7 | 1.4 | 17.1 | 40.0 | 85.4 | 71.4 |
| Half-mouth 4 sites** | 17.3 (1.3) | 4.3 (0.7) | 1.5 | 0.8 | 9.5 | 22.9 | 91.3 | 81.4 |
| Age 40-49 yrs | ||||||||
| FMPE* | 26.2 (1.5) | 10.3 (1.0) | Ref | Ref | Ref | Ref | Ref | Ref |
| Full-mouth PMPEs** | ||||||||
| CPI | 33.3 (1.6) | 9.7 (1.0) | 7.1 | −0.6 | 27.1 | −5.8 | 78.7 | 106.2 |
| MB-DB | 34.0 (1.6) | 8.2 (0.9) | 7.8 | −2.1 | 29.8 | −20.4 | 77.1 | 125.6 |
| MB-DL | 32.2 (1.6) | 11.0 (1.0) | 6.0 | 0.7 | 22.9 | 6.8 | 81.4 | 93.6 |
| Half-mouth 4 sites** | 31.0 (1.5) | 8.6 (0.9) | 4.8 | −1.7 | 18.3 | −16.5 | 84.5 | 119.8 |
| Age 50-59 yrs | ||||||||
| FMPE* | 39.7 (1.8) | 18.1 (1.4) | Ref | Ref | Ref | Ref | Ref | Ref |
| Full-mouth PMPEs** | ||||||||
| CPI | 43.8 (1.8) | 17.4 (1.4) | 4.1 | −0.7 | 10.3 | −3.9 | 90.6 | 104.0 |
| MB-DB | 45.9 (1.8) | 15.6 (1.3) | 6.2 | −2.5 | 15.6 | −13.8 | 86.5 | 116.0 |
| MB-DL | 44.8 (1.8) | 19.0 (1.5) | 5.1 | 0.9 | 12.8 | 5.0 | 88.6 | 95.3 |
| Half-mouth 4 sites** | 40.5 (1.8) | 17.0 (1.4) | 0.8 | −1.1 | −2.0 | −6.1 | 98.0 | 106.5 |
| Age 60-69 yrs | ||||||||
| FMPE* | 45.6 (2.0) | 17.2 (1.5) | Ref | Ref | Ref | Ref | Ref | Ref |
| Full-mouth PMPEs** | ||||||||
| CPI | 46.9 (2.0) | 15.6 (1.4) | 1.3 | −1.6 | 2.9 | −9.3 | 97.2 | 110.3 |
| MB-DB | 51.2 (2.0) | 15.1 (1.4) | 5.6 | −2.1 | 12.3 | −12.2 | 89.1 | 113.9 |
| MB-DL | 51.2 (2.0) | 17.3 (1.5) | 5.6 | 0.1 | 12.3 | 0.6 | 89.1 | 99.4 |
| Half-mouth 4 sites** | 49.4 (2.0) | 15.4 (1.4) | 3.8 | −1.8 | 8.3 | −10.5 | 92.3 | 111.7 |
| Age 70-80 yrs | ||||||||
| FMPE* | 57.8 (2.2) | 12.9 (1.5) | Ref | Ref | Ref | Ref | Ref | Ref |
| Full-mouth PMPEs** | ||||||||
| CPI | 58.3 (2.1) | 11.7 (1.4) | −0.5 | −1.2 | −0.9 | −9.3 | 99.1 | 110.3 |
| MB-DB | 62.3 (2.1) | 10.2 (1.3) | 4.5 | −2.7 | 7.8 | −20.9 | 92.8 | 126.5 |
| MB-DL | 62.9 (2.1) | 12.3 (1.4) | 5.1 | −0.6 | 8.8 | −4.7 | 91.9 | 104.9 |
| Half-mouth 4 sites** | 63.4 (2.1) | 10.0 (1.3) | 5.6 | −2.9 | 9.7 | −22.5 | 91.2 | 129.0 |
| Male | ||||||||
| FMPE* | 38.8 (1.1) | 16.7 (0.9) | Ref | Ref | Ref | Ref | Ref | Ref |
| Full-mouth PMPEs** | ||||||||
| CPI | 43.4 (1.2) | 16.6 (0.9) | 4.6 | −0.1 | 11.9 | −0.6 | 89.4 | 100.6 |
| MB-DB | 45.6 (1.2) | 14.6 (0.8) | 6.8 | −2.1 | 17.5 | −12.6 | 85.1 | 114.4 |
| MB-DL | 43.9 (1.2) | 17.9 (0.9) | 5.1 | 1.2 | 13.1 | 7.2 | 88.4 | 93.3 |
| Half-mouth 4 sites** | 41.9 (1.2) | 15.6 (0.8) | 3.1 | −1.1 | 8.0 | −6.6 | 92.6 | 107.1 |
| Female | ||||||||
| FMPE* | 29.8 (1.1) | 6.9 (0.6) | Ref | Ref | Ref | Ref | Ref | Ref |
| Full-mouth PMPEs** | ||||||||
| CPI | 32.8 (1.1) | 6.5 (0.6) | 3.0 | −0.4 | 10.1 | −5.8 | 90.9 | 106.2 |
| MB-DB | 33.4 (1.1) | 5.8 (0.5) | 3.6 | −1.1 | 12.1 | −15.9 | 89.2 | 119.0 |
| MB-DL | 34.3 (1.1) | 7.0 (0.6) | 4.5 | 0.1 | 15.1 | 1.4 | 86.9 | 98.6 |
| Half-mouth 4 sites** | 33.1 (1.1) | 5.7 (0.5) | 3.3 | −1.2 | 11.1 | −17.4 | 90.0 | 121.1 |
PD= periodontitis
Negative and positive biases mean underestimation and overestimation of periodontitis prevalence, respectively
*
CDC/AAP case definition
**
Half-reduced CDC/AAP case definition