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Demographic details (mean (s.d.))
| Placebo | Doxepin | Capsaicin | Doxepin/Capsaicin | |
|---|---|---|---|---|
| Age (years) | 45.4 (13.6) | 47.8 (17.2) | 47.8 (27.8) | 43.6 (12.9) |
| Duration of pain (months) | 57.9 (54.6) | 59.6 (62.3) | 59.4 (47.9) | 74.9 (66.3) |
| Male/Female | 16/25 | 20/21 | 13/20 | 14/22 |
