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Table 1 Mean value and standard deviation for the subcategory functional limitations

From: Impact of maxillary sinus augmentation on oral health-related quality of life

Item

Mean ± SD before sinus lift

Mean ± SD after sinus lift

p value

Have you had difficulty chewing any foods?

1.6 ± 1.2

0.4 ± 0.7

<0.001

Have you had to avoid eating some foods?

1.1 ± 1.2

0.3 ± 0.7

<0.001

Have you felt that your sense of taste was impaired?

0.4 ± 0.8

0.1 ± 0.5

<0.001

Have you had trouble pronouncing any words?

0.6 ± 0.9

0.2 ± 0.6

<0.001

Have you been unable to brush your teeth properly?

0.6 ± 0.8

0.3 ± 0.6

<0.001

Have you felt that your breath has been stale?

0.7 ± 1.0

0.4 ± 0.6

<0.001