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Table 6 Discriminant validity of the Th-ECOHIS

From: Correction to: Psychometric evaluation of the Thai version of the Early Childhood Oral Health Impact Scale (Th-ECOHIS): a cross sectional validation study

Caries experience

Caries-free (n = 130)

dmft 1–3 (n = 47)

dmft ≥4 (n = 37)

p-value

Child impact section

 Mean(SD)

1.30 (3.68)

2.47 (3.43)

3.97 (4.69)

 

 Median(IQR)

0 (0)

1 (4)

3 (7)

<  0.001

Family impact section

 Mean(SD)

1.52 (2.59)

2.45 (2.51)

3.68 (3.16)

 

 Median(IQR)

0 (2)

2 (4)

4 (6)

<  0.001

All sections

 Mean(SD)

2.51 (4.13)

4.74 (4.83)

7.65 (7.05)

 

 Median(IQR)

0 (4)

4 (8)

7 (11)

<  0.001

Treatment need

No treatment (n = 130)

Need filling (n = 65)

Need pulp treatment / extraction (n = 19)

p-value

Child impact section

 Mean(SD)

1.18 (3.47)

3.29 (4.51)

3.68 (3.38)

 

 Median(IQR)

0 (0)

1 (6)

3 (7)

<  0.001

Family impact section

 Mean(SD)

1.45 (2.60)

3.05 (2.96)

3.32 (2.11)

 

 Median (IQR)

0 (2)

3 (6)

4 (3)

<  0.001

All sections

 Mean(SD)

2.64 (5.25)

6.34 (6.78)

7.00 (4.49)

 

 Median(IQR)

0 (4)

5 (12)

8 (7)

<  0.001