Table 1 Mean values ± standard deviation for questions of VAS xerostomia questionnaire

Question 1

6.05 ± 4.18

6.58 ± 3.83

6.77 ± 3.66

0.686

Question 2

6.45 ± 3.89

7.13 ± 3.49

7.18 ± 3.39

0.590

Question 3

3.29 ± 3.43

3.65 ± 3.02

3.82 ± 3.34

0.760

Question 4

4.23 ± 3.26

4.58 ± 2.82

4.22 ± 3.06

0.828

Question 5

3.46 ± 3.09

4.17 ± 2.69

3.95 ± 2.72

0.516

Question 6

4.65 ± 2.98

4.99 ± 2.66

5.01 ± 3.02

0.815

Question 7

3.89 ± 2.79

4.50 ± 2.56

4.49 ± 3.04

0.532

Question 8

5.88 ± 3.71

6.77 ± 2.99

6.48 ± 3.23

0.468