NST parameters. Present values exhibit comparable sensitivity within the normative range. Failed values are less than those of the control sites or the normative range. Elevated values are greater than those of the control sites. Absent values are greater than the maximum of the testing device
| Injury Degree | Level A: Spatiotemporal Sensory Perception | Level B: Contact Detection with Monofilament | Level C: Pain, Temperature, and Pressure Threshold and Tolerance |
|---|---|---|---|
| Normal | Present | Present | Present |
| Mild | Failed | Present | Present |
| Moderate | Failed | Failed | Present |
| Severe | Failed | Failed | Elevated |
| Complete | Failed | Failed | Absent |