Table 2.
DN4 and LANSS questionnaire responses of patients classified as having NP and non-NP
| DN4 items | Score ≥ 4 (NP) N (%) | Score < 4 (non-NP) N (%) |
|---|---|---|
| Burning | 132 (79.5) | 6 (20.7) |
| Painful cold | 56 (33.7) | 0 (0) |
| Electric shocks | 133 (80.1) | 11 (37.9) |
| Tingling | 150 (90.4) | 9 (31) |
| Pins and needles | 137 (82.5) | 6 (20.7) |
| Numbness | 163 (98.2) | 14 (48.3) |
| Itching | 81 (48.8) | 3 (10.3) |
| Touch hypoesthesia | 127 (76.5) | 6 (20.7) |
| Prick hypoesthesia | 137 (82.5) | 8 (27.6) |
| Pain increasing by brushing (allodynia) | 31 (18.7) | 1 (3.4) |
| LANSS items | Score ≥ 12 (NP) N (%) | Score < 12 (non-NP) N (%) |
| Pins and needles, electric shocks and tingling | 110 (100) | 64 (75.3) |
| Autonomic changes | 88 (80) | 7 (8.2) |
| Pain evoked by light touching | 33 (30) | 5 (5.9) |
| Electric shocks or shooting | 102 (92.7) | 51 (60) |
| Hot or burning | 95 (86.4) | 47 (55.3) |
| Allodynia | 18 (16.4) | 0 (0) |
| Raised pin prick threshold | 92 (83.6) | 55 (64.7) |
DN4 = Douleur Neuropathique in 4 questions; LANSS = Leeds assessment of neuropathic symptoms and signs; NP = neuropathic pain.