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| Pain properties | Number | % of patients |
|---|---|---|
| Cause (n = 426) | ||
| Cancer | 122 | 28.6 |
| Noncancer | 127 | 29.8 |
| Chemotherapy | 28 | 6.6 |
| Postoperative | 50 | 11.7 |
| Radiotherapy | 25 | 5.9 |
| Other | 142 | 33.3 |
| Missing data | 23 | 5.4 |
| Source* | ||
| Bone | 281 | 66.0 |
| Neural tissue | 197 | 46.2 |
| Soft tissue | 137 | 32.2 |
| Visceral tissue | 69 | 16.2 |
sd: standard deviation; *several patients had pain from more than one source.
