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Table 4 The median XeQoLs scores taken before and after treatment with CMC or trehalose solution spray

From: Trehalose versus carboxymethylcellulose oral spray for relieving radiation-induced xerostomia in head and neck cancer patients: a randomized controlled trial

Questionnaire

XeQoLs score (Median ± IQR)

CMC group (n = 35)

Trehalose group (n = 35)

Before

After

ρ-value

Before

After

ρ-value

Part 1: Physical

      

Q1: Rate your difficulty in chewing due to dryness

4.00 ± 7.00

3.00 ± 5.00

0.002**

0.00 ± 5.00

0.00 ± 4.00

0.015*

Q2: Rate your difficulty in swallowing food due to dryness

5.00 ± 4.00

3.00 ± 4.00

0.000***

5.00 ± 5.00

4.00 ± 4.00

0.000***

Q3: Rate your difficulty in talking due to dryness

3.00 ± 5.00

2.00 ± 4.00

0.003**

4.00 ± 5.00

3.00 ± 4.00

0.002**

Q4: Rate your taste alteration

5.00 ± 4.00

5.00 ± 4.00

0.000***

6.00 ± 4.00

5.00 ± 3.00

0.000***

Part 2: Pain / Discomfort

      

Q5: Rate your feeling dry mouth

6.00 ± 3.00

4.00 ± 3.00

0.000***

6.00 ± 3.00

4.00 ± 2.00

0.000***

Q6: Rate the frequency of sipping water (nocturnal)

4.00 ± 5.00

3.00 ± 5.00

0.047*

4.00 ± 5.00

3.00 ± 3.00

0.003**

Q7: Rate the frequency of sipping water (daytime)

8.00 ± 2.00

6.00 ± 4.00

0.001**

0.00 ± 1.00

0.00 ± 1.00

0.000***

Q8: Rate your pain and discomfort

0.00 ± 2.00

0.00 ± 2.00

0.768

0.00 ± 1.00

0.00 ± 1.00

0.066

Part 3: Psychological

      

Q9: My mouth/throat dryness interferes with my daily activity

2.00 ± 5.00

0.00 ± 4.00

0.011*

0.00 ± 5.00

0.00 ± 4.00

0.005**

Q10: My mouth/throat dryness makes me nervous

2.00 ± 5.00

0.00 ± 5.00

0.006**

0.00 ± 3.00

0.00 ± 3.00

0.004**

Q11: My mouth/throat dryness reduces my general happiness

0.00 ± 5.00

0.00 ± 4.00

0.019*

0.00 ± 0.00

0.00 ± 4.00

0.046*

Part 4: Social

      

Q12: My mouth/throat dryness makes me uncomfortable speaking in front of other people

0.00 ± 2.00

0.00 ± 2.00

0.103

0.00 ± 0.00

0.00 ± 0.00

0.180

Q13: My mouth/throat dryness makes me uncomfortable when eating in front of other people

0.00 ± 4.00

0.00 ± 4.00

0.169

0.00 ± 0.00

0.00 ± 0.00

0.157

Q14: My mouth/throat dryness makes me from socializing (going out)

0.00 ± 2.00

0.00 ± 2.00

0.211

0.00 ± 0.00

0.00 ± 0.00

0.109

  1. Wilcoxon Signed Ranks was used to compare the XeQoLs scores between before and after intervention in each treatment group. *p < 0.05; **p < 0.01, ***p < 0.001