“…The incidence of cancellation is very high which varied with the hospital setting, culture, and socioeconomic status of the nation. The cancellation rate in the developed country ranged from 2 to 40% [ 2 , 9 , 12 , [20] , [21] , [22] ] while this rate is as high as 73% in low and middle-income countries[ 4 , 7 , 15 , [22] , [23] , [24] , [25] , [26] ]. Studies reported that more than eighty Percent of cancellations were avoidable while only twenty Percent of cancellations were unavoidable [ 3 , 10 , [14] , [15] , [16] , 19 , 22 , [27] , [28] , [29] , [30] , [31] , [32] , [33] ].…”