“…Studies figured out many reasons for cancellation of operation on the intended day of surgery which themed in two broader categories as patient-related factors such as a change in medical condition, no show-up, no attendance, refuse to give informed consent and facility-related factors such as lack of a bed, operation time, equipment, inadequate workup, staff unavailability, and others [ 2 , 3 , 5 , 6 , 10 , 17 , [34] , [35] , [36] , [37] , [38] , [39] , [40] , [41] , [42] , [43] , [44] ].…”