WikiMSK:Calculators/DN4
From WikiMSK
| INTERVIEW OF THE PATIENT | ||
|---|---|---|
| QUESTION 1 | ||
| Does the pain have one or more of the following characteristics? | Yes | No |
| Burning | ||
| Painful cold | ||
| Electric shocks | ||
| QUESTION 2 | ||
| Is the pain associated with one or more of the following symptoms in the same area? | Yes | No |
| Tingling | ||
| Pins and needles | ||
| Numbness | ||
| Itching | ||
| EXAMINATION OF THE PATIENT | ||
| QUESTION 3 | ||
| Is the pain located in an area where the physical examination may reveal one or more of the following characteristics? | Yes | No |
| Hypoaesthesia to touch | ||
| Hypoaesthesia to pinprick | ||
| QUESTION 4 | ||
| In the painful area, can the pain be caused or increased by: | Yes | No |
| Brushing | ||
Result Negative Score: 0/10 | ||
| Validated in painful diabetic polyneuropathy. At the cut-off of 4, DN4 displayed sensitivity of 80%, specificity of 92%, positive predictive value (PPV) of 82%, negative predictive value (NPV) of 91%, and likelihood ratio for a positive result (LR(+) ) of 9.6. At the cut-off of 3, DN4-interview showed sensitivity and specificity of 84%, PPV of 71%, NPV of 92%, and LR(+) of 5.3.[1] | ||
