Table 2 Internal consistency of QLQ-H&N35
QLQ-H&N35 symptom domains | Number of ITEMS | Cronbach’s alpha (p value) | Median | Mean | SD | Floor (%)a | Ceiling (%)b |
|---|---|---|---|---|---|---|---|
Pain | 4 | 0.75 (< 0.001)* | 8.33 | 13.93 | 19.38 | 45.2 | 0.4 |
Swallowing | 4 | 0.85 (< 0.001)* | 8.33 | 14.33 | 17.00 | 45.2 | 1.2 |
Senses problems | 2 | 0.50 (< 0.001)* | 50.00 | 61.53 | 27.49 | 28.4 | 4.8 |
Speech problems | 3 | 0.88 (< 0.001)* | 22.22 | 32.31 | 34.24 | 34.0 | 11.2 |
Trouble with social eating | 4 | 0.91 (< 0.001)* | 16.67 | 30.77 | 33.53 | 36.4 | 8.8 |
Trouble with social contact | 5 | 0.90 (< 0.001)* | 0.00 | 14.88 | 23.00 | 52.4 | 0.8 |
Less sexuality | 2 | 0.98 (< 0.001)* | 33.33 | 44.77 | 37.07 | 28.8 | 18.4 |
Teeth | 1 | – | 0.00 | 20.80 | 34.49 | 68.0 | 11.2 |
Opening mouth | 1 | – | 50.00 | 46.00 | 38.43 | 32.2 | 21.2 |
Dry mouth | 1 | – | 33.33 | 40.27 | 34.27 | 30.0 | 14.4 |
Sticky saliva | 1 | – | 0.00 | 20.53 | 35.17 | 69.6 | 12.4 |
Coughing | 1 | – | 0.00 | 24.80 | 30.44 | 50.8 | 6.8 |
Felt ill | 1 | – | 33.33 | 25.87 | 29.23 | 46.0 | 6.0 |
Pain killers | 1 | – | 100.00 | 70.00 | 45.92 | 30.0 | 70.0 |
Nutritional supplements | 1 | – | 100.00 | 71.60 | 45.18 | 28.4 | 71.6 |
Feeding tube | 1 | – | 0.00 | 49.60 | 50.10 | 50.4 | 49.6 |
Weight loss | 1 | – | 100.00 | 55.60 | 49.79 | 44.4 | 55.6 |
Weight gain | 1 | – | 100 | 73.20 | 44.38 | 26.8 | 73.2 |