Table 5: 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*

23.6 (1.5)

4.7 (0.7)

Ref

Ref

Ref

Ref

Ref

Ref

Full-mouth PMPEs

 

 

 

 

 

 

 

CPI

30.5 (1.6)

6.1 (0.8)

6.9

1.4

29.2

29.8

77.4

77.0

MB-DB

24.1 (1.5)

5.6 (0.8)

0.5

0.9

2.1

19.1

97.9

83.9

MB-DL

29.1 (1.6)

5.3 (0.8)

5.5

0.6

23.3

12.8

81.1

88.7

Half-mouth 4 sites

28.5 (1.6)

5.8 (0.8)

4.9

1.1

20.8

23.4

82.8

81.0

Age 40-49 yrs

 

 

 

 

 

 

 

FMPE*

32.8 (1.7)

12.8 (1.2)

Ref

Ref

Ref

Ref

Ref

Ref

Full-mouth PMPEs

 

 

 

 

 

 

 

CPI

35.4 (1.8)

16.5 (1.4)

2.6

3.7

7.9

28.9

92.7

77.6

MB-DB

33.3 (1.7)

11.6 (1.2)

0.5

-1.2

1.5

-9.4

98.5

110.3

MB-DL

36.5 (1.8)

14.7 (1.3)

3.7

1.9

11.3

14.8

89.9

87.1

Half-mouth 4 sites

34.8 (1.8)

12.9 (1.2)

2.0

0.1

6.1

0.8

94.3

99.2

Age 50-59 yrs

 

 

 

 

 

 

 

FMPE*

37.5 (1.8)

19.9 (1.5)

Ref

Ref

Ref

Ref

Ref

Ref

Full-mouth PMPEs

 

 

 

 

 

 

 

CPI

47.0 (1.9)

16.2 (1.4)

9.5

-3.7

25.3

-18.6

79.8

122.8

MB-DB

42.7 (1.9)

15.4 (1.4)

5.2

-4.5

13.9

-22.6

87.8

129.2

MB-DL

47.8 (1.9)

17.9 (1.5)

10.3

-2.0

27.5

-10.1

78.5

111.2

Half-mouth 4 sites

44.9 (1.9)

16.0 (1.4)

7.4

-3.9

19.7

-19.6

83.5

124.4

Age 60-69 yrs

 

 

 

 

 

 

 

FMPE*

46.1 (2.0)

19.6 (1.6)

Ref

Ref

Ref

Ref

Ref

Ref

Full-mouth PMPEs

 

 

 

 

 

 

 

CPI

49.8 (2.0)

17.9 (1.6)

3.7

-1.7

8.0

-8.7

92.6

109.5

MB-DB

49.3 (2.0)

15.9 (1.5)

3.2

-3.7

6.9

-18.9

93.5

123.3

MB-DL

51.4 (2.0)

18.9 (1.6)

5.3

-0.7

11.5

-3.6

89.7

103.7

Half-mouth 4 sites

50.9 (2.0)

17.4 (1.5)

4.8

-2.2

10.4

-11.2

90.6

112.6

Age 70-80 yrs

 

 

 

 

 

 

 

FMPE*

57.8 (2.5)

11.5 (1.6)

Ref

Ref

Ref

Ref

Ref

Ref

Full-mouth PMPEs

 

 

 

 

 

 

 

CPI

58.3 (2.5)

10.3 (1.5)

0.5

-1.2

0.9

-10.4

99.1

111.7

MB-DB

62.3 (2.4)

6.8 (1.3)

4.5

-4.7

7.8

-40.9

92.8

169.1

MB-DL

62.0 (2.4)

9.8 (1.5)

4.2

-1.7

7.3

-14.8

93.2

117.3

Half-mouth 4 sites

57.5 (2.5)

10.5 (1.5)

-0.3

-1.0

-0.5

-8.7

100.5

109.5

Male

 

 

 

 

 

 

 

FMPE*

39.2 (1.2)

19.8 (1.0)

Ref

Ref

Ref

Ref

Ref

Ref

Full-mouth PMPEs

 

 

 

 

 

 

 

CPI

45.4 (1.2)

18.6 (1.0)

6.2

-1.2

15.8

-6.1

86.3

106.5

MB-DB

42.9 (1.2)

16.3 (0.9)

3.7

-3.5

9.4

-17.7

91.4

121.5

MB-DL

45.9 (1.2)

18.8 (1.0)

6.7

-1.0

17.1

-5.1

85.4

105.3

Half-mouth 4 sites

43.3 (1.2)

18.5 (1.0)

4.1

-1.3

10.5

-6.6

90.5

107.0

Female

 

 

 

 

 

 

 

FMPE*

34.9 (1.2)

7.2 (0.6)

Ref

Ref

Ref

Ref

Ref

Ref

Full-mouth PMPEs

 

 

 

 

 

 

 

CPI

38.9 (1.2)

8.2 (0.7)

4.0

1.0

11.5

13.9

89.7

87.8

MB-DB

36.3 (1.2)

6.2 (0.6)

1.4

-1.0

4.0

-13.9

96.1

116.1

MB-DL

40.1 (1.2)

7.7 (0.7)

5.2

0.5

14.9

6.9

87.0

93.5

Half-mouth 4 sites

39.1 (1.2)

6.3 (0.6)

4.2

-0.9

12.0

-12.5

89.3

114.3

 

PD = Periodontitis

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

*: CDC/AAP case definition

: Half-reduced CDC/AAP case definition