Table 3: Accuracy of PMPE protocols in estimating periodontitis prevalence according to half-reduced CDC/AAP case definition in NHANES sample.

 

 

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

FMPE*

37.0 (0.8)

13.4 (0.6)

Ref

Ref

Ref

Ref

Ref

Ref

Full-mouth PMPEs

 

 

 

 

 

 

 

CPI

42.1 (0.9)

13.3 (0.6)

5.1

-0.1

13.8

-0.7

87.9

100.8

MB-DB

39.5 (0.9)

11.1 (0.6)

2.5

-2.3

6.8

-17.2

93.7

120.7

MB-DL

42.9 (0.9)

13.2 (0.6)

5.9

-0.2

15.9

-1.5

86.2

101.5

Half-mouth PMPEs

 

 

 

 

 

 

 

4 sites

41.2 (0.9)

12.3 (0.6)

4.2

-1.1

11.4

-8.2

89.8

108.9

 

PD = Periodontitis

Negative and positive biases mean underestimation and overestimation of periodontitis prevalence, respectively

*: CDC/AAP case definition

: Half-reduced CDC/AAP case definition