Table 1.
Patient Characteristics
| All Patients (N = 12) |
Responders (N = 6) |
Non-Responders (N = 6) |
|
|---|---|---|---|
| Age in years, mean (SD) | 64.2 (11.0) | 63.3 (14.0) | 65.0 (8.1) |
| Men/women, N | 6/6 | 2/4 | 4/2 |
| Duration of pain in years, mean (SD) | 6.1 (7.0) | 10.3 (7.9) | 1.9 (1.7) |
| Current analgesic co-medication, N (%) | 7 (58) | 4 (67) | 3 (50) |
| Pre-test NRS mean (SD) | 6.1 (1.4) | 6.2 (1.5) | 6.0 (1.4) |
| Use of neuropathic pain medication, N | 6 | 3 | 3 |
| Diagnosis | N | N | N |
| Chronic idiopathic axonal polyneuropathy | 5 | 4 | 1 |
| Chemotherapy induced polyneuropathy | 4 | 2 | 2 |
| Diabetic polyneuropathy | 3 | 0 | 3 |
| Anatomical Areas of Pain | |||
| Both feet | 6 | 3 | 3 |
| Both feet and lower legs | 3 | 2 | 1 |
| Both feet, lower legs and hands | 1 | 0 | 1 |
| Fingertips | 2 | 1 | 1 |
| Pain Characteristics | N (%) | N (%) | N (%) |
| Burning | 10 (83) | 5 (83) | 5 (83) |
| Painful cold | 7 (58) | 4 (67) | 3 (50) |
| Electric shocks | 5 (42) | 2 (33) | 3 (50) |
| Tingling | 12 (100) | 6 (100) | 6 (100) |
| Pins and needles | 6 (50) | 3 (50) | 3 (50) |
| Numbness | 10 (83) | 5 (83) | 5 (83) |
| Itching | 1 (8) | 1 (17) | 6 (100) |
| Hypesthesia to touch | 7 (58) | 4 (67) | 3 (50) |
| Hypesthesia to pinprick | 7 (58) | 2 (33) | 5 (83) |
| Allodynia | 8 (67) | 4 (67) | 4 (67) |
Abbreviations: N: number of patients, SD: standard deviation.