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Table 2 Means, standard deviations, ranges and number of “Don't know” answers of the OHRQoL instrument

From: Parental reports of the oral health-related quality of life of children with cerebral palsy

 

Mean (SD)

Mean (SD) without excluding “Don’t know answers”

Mean (SD) excluding “Don’t Know answers”

Possible range

Observed range

"Don't know"

Total P-CPQ and FIS including global ratings

17.28 (13.25)

0.38 (0.29) d

0.45 (0.45) d

0 - 188

0-24

339

Domains

Oral symptoms domain (6)

6.05 (4.17)

1.02 (0.71) NS

1.02 (0.71) NS

0 - 24

0 - 15

0

Functional limitations (8)

5.62 (4.07)

0.75 (0.56) NS

0.81 (0.78) NS

0 - 32

0 - 17

17

Emotional well-being (7)

0.85 (1.97)

0.15 (0.32) NS

0.21 (0.61) NS

0 - 28

0 - 9

98

Social well-being (10)

0.75 (1.11)

0.08 (0.11)e

0.24 (0.64)e

0 - 40

0 - 4

224

Family impact scale (14)

3.32 (4.76)

0.24 (0.34) NS

0.24 (0.34) NS

0 - 56

0 - 24

0

  1. NS = no significant difference (p > 0.05).
  2. d = Paired t-test p = 0.008.
  3. e = Paired t-test p = 0.035.