Introduction
Materials and methods
Translation and cultural adaptation
Sample size estimation
Participants
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Grade 0: no mucositis
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Grade 1: Soreness with or without erythema, No ulceration
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Grade 2: erythema, ulcers, swallowing solid diet is possible
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Grade 3: ulcers, erythema, swallowing only liquid diet is possible
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Grade 4: ulcers, alimentation is impossible.
Instrument
Validity, reliability and statistical analysis
Results
Demographic information
Age (years), mean (SD) | 53.9 (14.7) |
Sex, n (%) | |
Men | 64 (44.4) |
Women | 80 (55.6) |
Educational level, n (%) | |
illiterate | 10 (6.9) |
Elementary | 31 (21.5) |
High school or diploma | 66 (45.8) |
Academic education | 37 (25.7) |
Cancer diagnosis, n (%) | |
nasopharynx | 98 (68.1) |
breast | 10 (6.9) |
ALL | 6 (4.2) |
AML | 5 (3.5) |
other | 25 (17.4) |
Cancer therapy, n (%) | |
Chemotherapy | 31 (21.5) |
Radiotherapy | 41 (28.5) |
Chemo-radiotherapy | 72 (50) |
WHO grade for mucositis, n (%) | |
1 | 16 (11.1) |
2 | 34 (23.6) |
3 | 48 (33.3) |
4 | 46 (31.9) |
Reliability
Dimensions | Mean (SD) | Cronbach’s alpha (total) | Cronbach’s alpha (men) | Cronbach’s alpha (women) |
---|---|---|---|---|
Symptoms | 27.72 (7.9) | 0.97 | 0.97 | 0.96 |
Diet | 32.21 (7.7) | 0.95 | 0.95 | 0.95 |
Social function | 20.12 (7.2) | 0.97 | 0.98 | 0.96 |
Swallowing | 14.54 (5.3) | 0.97 | 0.97 | 0.96 |
Validity
Items | Symptoms | Diet | Social function | Swallowing |
---|---|---|---|---|
Item 1 | 0.845 | |||
Item 2 | 0.786 | |||
Item 3 | 0.792 | |||
Item 4 | 0.845 | |||
Item 5 | 0.859 | |||
Item 6 | 0.755 | |||
Item 7 | 0.808 | |||
Item 8 | 0.778 | |||
Item 9 | 0.867 | |||
Item 10 | 0.777 | |||
Item 11 | 0.875 | |||
Item 12 | 0.856 | |||
Item 13 | 0.684 | |||
Item 14 | 0.791 | |||
Item 15 | 0.775 | |||
Item 16 | 0.743 | |||
Item 17 | 0.820 | |||
Item 18 | 0.847 | |||
Item 19 | 0.827 | |||
Item 20 | 0.769 | |||
Item 21 | 0.821 | |||
Item 22 | 0.915 | |||
Item 23 | 0.831 | |||
Item 24 | 0.921 | |||
Item 25 | 0.907 | |||
Item 26 | 0.884 | |||
Item 27 | 0.861 | |||
Item 28 | 0.896 | |||
Item 29 | 0.896 | |||
Item 30 | 0.904 | |||
Item 31 | 0.911 |
Dimensions | Number of Items | Item-Convergent Validity (Range of Correlation) | Correlation > 0.4 | Scaling success | Item-Discriminant Validity (Range of Correlation) |
---|---|---|---|---|---|
Symptoms | 9 | − 0.94 | 9 | 100% | 0.15–0.43 |
Diet | 10 | 0.78–0.90 | 10 | 100% | 0.37–0.50 |
Social function | 7 | 0.90–0.96 | 7 | 100% | 0.18–0.26 |
Swallowing | 5 | 0.92–0.95 | 5 | 100% | 0.23–0.34 |