Fig. 3

Root causes of unplanned delay or cancellation (UDC) of resident assessment in a teaching hospital. The vertical left axis represents the frequency of occurrence of root causes of UDC of resident assessment which are listed in descending order of counts starting at the left side of the Pareto chart. The right vertical axis represents the total cumulative percentage of root causes of UDC. The crossed dotted lines indicate that eleven leading causes accounted for 87.5% of the issues