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Antinociception scoring system
| Score | Description |
|---|---|
| 0 | None: Presence of pain sensation in response to skin pinprick |
| 1 | Mild: Absence of pain sensation in response to skin pinprick |
| 2 | Moderate: Absence of pain sensation in response to subcutaneous pinprick |
| 3 | Complete: Absence of pain sensation in response to muscle pinprick |
Modified after DeRossi et al. 2002
