Table 3 Comparison of the total score and the four domains of CPQ8–10 in MIH and control groups (Mann Whitney U test)

From: Oral health-related quality of life in Egyptian children with Molar Incisor Hypomineralisation. An observational study

CPQ8–10 scores

Mean

Std. dev

Median

95% Confidence interval for mean

Min

Max

P value

Lower bound

Upper bound

Oral symptoms (5)

MIH

10.18

3.56

10.00

9.17

11.18

4.00

18.00

0.336 ns

Control

9.43

3.73

9.00

8.38

10.48

2.00

17.00

 

Functional

Limitations (5)

MIH

6.69

3.76

7.00

5.63

7.74

0.00

16.00

0.003*

Control

4.43

3.83

4.00

3.35

5.51

0.00

14.00

 

Emotional well-being (5)

MIH

Control

4.80

3.73

5.04

4.29

4.00

2.00

3.39

2.52

6.22

4.93

0.00

0.00

20.00

14.00

0.236 ns

Social well-being (10)

MIH

Control

3.00

3.45

3.53

3.97

2.00

3.00

2.01

2.34

3.99

4.57

0.00

0.00

18.00

15.00

0.676 ns

Total CPQ (25)

MIH

Control

24.67

21.04

11.84

12.30

23.00

18.00

21.34

17.58

28.00

24.50

6.00

2.00

55.00

54.00

0.109 ns

  1. Significance level P ≤ 0.05, *significant, ns non-significant