Table 2. Scoring systems for evaluating the qualities of anesthetic induction and recovery in dogs.

Categories	Conditions in dogs
Induction score
4 (Very smooth)	No swallowing, intubation at first attempt, no coughing, no struggling, no vocalization.
3 (Quite smooth)	Some swallowing, intubation after 2–3 attempts, no coughing, some physical movement, no vocalization.
2 (Moderately smooth)	Swallowing a lot, more than 3 attempts to intubate, coughing, vocalization and/or physical movement for more than half the induction time, some distress and excitement.
1 (Poor)	Vocalization and physical movement during entire induction period, major distress aggression or excitement, additional induction agent needed for intubation.
Recovery score
4 (Very smooth)	No excitement. No paddling, vocalizing, trembling or vomiting. No convulsions.
3 (Quite smooth)	A little excitement. Some head movement, possibly some shivering but no paddling, vocalizing, trembling or vomiting. No convulsions.
2 (Moderately smooth)	Moderate excitement. Some paddling, vocalizing, trembling or vomiting. No convulsions.
1 (Poor)	Extreme excitement observed, aggression, vocalizing, violent movements or convulsions. Rescue sedation or anticonvulsant drugs necessary.