TABLE 1.

Mean ± SD of weight, surgery duration and recovery duration in 18 dogs undergoing ovariohysterectomy and intraperitoneal administration of 8.8 mg/kg of lidocaine (L), 4 mg/kg Tramadol (T) or lidocaine (8.8 mg/kg)‐Tramadol (4 mg/kg) (LT)

Parameter/Groups	L	T	LT
Weight (kg)	17.33 ± 4.00	15.02 ± 1.35	17.95 ± 4.12
Surgery duration (min)	29.00 ± 4.18	31.25 ± 2.93	30.40 ± 31.25
Recovery duration (min)	63.00 ± 17.88 LT	80.12 ± 14.14 LT	105.02 ± 11.18 L, T

The name of the group listed at the top of the numbers indicates a significant difference with that group (p < .05).