Table 2.
Statistical indicators of the scores of all subscales of the “QLQ-C30/BR23” questionnaires
| Scales and sub-scales | Items | Mean | SD | Cronbach’s Alpha |
|---|---|---|---|---|
| EORTC - QLQ-C30 | ||||
| Physical Function | 5 | 81.2 | 16.5 | 0.551 |
| Role Function | 2 | 71.0 | 25.8 | 0.848 |
| Emotional Function | 4 | 70.0 | 27.0 | 0.851 |
| Cognitive Function | 2 | 86.3 | 19.7 | 0.704 |
| Social Function | 2 | 80.7 | 25.0 | 0.824 |
| Overall composite score (functional scales) | 77.8 | 16.3 | ||
| Global Health Status | 2 | 55.4 | 25.0 | 0.936 |
| Fatigue | 3 | 34.1 | 23.6 | 0.855 |
| Nausea and Vomiting | 2 | 8.3 | 19.4 | 0.905 |
| Pain | 2 | 20.9 | 22.5 | 0.829 |
| Dyspnea | 21.4 | 26.1 | ||
| Insomnia | 26.9 | 31.8 | ||
| Appetite Loss | 13.2 | 25.9 | ||
| Constipation | 15.2 | 26.9 | ||
| Diarrhea | 5.9 | 17.5 | ||
| Financial Difficulties | 24.3 | 32.5 | ||
| Overall composite score (symptom scales) | 19.0 | 17.7 | ||
| EORTC - QLQ-BR23 | ||||
| Body Image | 4 | 73.7 | 28.8 | 0.892 |
| Sexual Function | 2 | 18.6 | 24.0 | 0.896 |
| Sexual Enjoyment | 43.8 | 20.6 | ||
| Future Perspective | 56.1 | 34.7 | ||
| Overall composite score (functional scales) | 48.0 | 12.2 | ||
| Systemic Therapy Side-Effects | 7 | 24.5 | 20.5 | 0.819 |
| Breast Symptoms | 4 | 13.6 | 20.7 | 0.872 |
| Arm Symptoms | 3 | 16.1 | 19.5 | 0 .812 |
| Upset by Hair Loss | 35.3 | 25.5 | ||
| Overall composite score (symptom scales) | 22.4 | 14.6 | ||