Table 1.
Validated patient questionnaires/scales used in this study
| Measurement | Validated questionnaires | Time points (M = month) |
|---|---|---|
| Pain intensity | A. Numeric Rating Scale (NRS) B. Brief Pain Inventory Short form (BP-SF) |
A. M0-M3/M9/M15 B. M0/M3/M9/M15 |
| Multidimensional aspects of pain | McGill pain questionnaire (MPQ) | M0/M3/M9/M15 |
| Pain interference with function | Brief Pain Inventory Short form (BP-SF) | M0/M3/M9/M15 |
| Adequate pain treatment | Ward's Pain Management Index (PMI-revised) | M0/M3/M9/M15 |
| Quality of life | European Organization for Research and Treatment of cancer Quality of Life Questionnaire- C30 (EORTC QLQC30) | M0/M3/M9/M15 |
| Neuropathic pain | Neuropathic Pain Diagnostic Questionnaire (DN4-SF) (first two questions) | M0/M3/M9/M15 |
| Problems in daily life associated with cancer | Distress Thermometer (DT) | M0/M3/M9/M15 |
| Emotions related to cancer | Hospital Anxiety and Depression Scale (HADS) | M0/M3/M9/M15 |
| Performance status | Karnofsky Performance Scale (KPS) | M0/M3 |
| Self-efficacy for communication about pain with oncologist | Perceived Efficacy in Patient-Physician Interactions (PEPPI-5) | M0/M3 |