Bupivacaine group (n=30) Ketamine group (n=30)
Age (years)mean ± SD 48.8 ± 3.63 49.1 ± 3.88
Gender    
Male 9(30%) 10(33%)
Female 21(70%) 20(66%)
Weight (Kg) mean ± SD 84.7 ± 9.2 83.3 ± 9.4
Height (cm)mean ± SD 175 ± 21 172 ± 23.6
Duration of surgery (min) 79.4 ± 12.9 84.4 ± 14.5
Type of surgery†:    
- Total Thyrodectomy 4 5
- Subtotal thyrodectomy 10 9
- Hemithyrodectomy 9 6
- Lobectomy 7 10
Student t test was used
†Chi-squared test was used
Table 1: Patients characteristics in both groups.