Variables Numbers Percentage
ASA Status
ASA I 265 84.9
ASA II 45 14.4
ASA III 2 0.6
Anesthetic type
GA 162 52
SA 150 48
Induction agent
Ketamine 59 22.1
Thiopentone 38 12.2
Propofol 58 18.6
Post-operative analgesia
Yes 186 60
No 126 40
Post-operative shivering
Yes 55 17.6
No 257 82.4
Urgency of procedure    
Elective 143 45.8
Emergency 169 54.2
Duration of Surgery
≤1 hour 119 38
>1hour 193 62
Intra operative blood loss   86.2
≤500ml 269 13.8
>500ml 43  
Time of operation
Morning 119 38
Afternoon 78 25
Night 115 37
Table 2: Anesthetic and surgical characteristics among patients operated at GUH from March 1 to April 30, 2015; (n=312).