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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