Development of Danish version of child oral-health-related quality of life questionnaires (CPQ8–10 and CPQ11–14)

Table 3 Percentiles of overall CPQ_8–10 score in 3 groups and CPQ_11–14 score in 4 groups of children

CPQ_8–10	CPQ_11–14	Group of children
		Healthy children	Children with cleft lip and palate	Children with rare oral diseases	Children with fixed orthodontic appliances
CPQ_8–10	Quartiles
	25 percentile	3	3	10
	50 percentile	7	5	15
	75 percentile	13	10	23.7
	P-value	-	0.504	0.009
CPQ_11–14	Quartiles
	25 percentile	5	5	9	16
	50 percentile	9	9	17	22
	75 percentile	13	17	26	32
	P-value	-	0.84	<0.001	<0.001

The P-values test whether the median overall CPQ-scores differ between the healthy children and each of the other subgroups.

ISSN: 1472-6831