For some of the larger hospitals, which began computerization early, this aspect will prove extremely complex. This is why hospitals like NTUH and Chang Gung Memorial Hospital are taking this opportunity to completely reengineer their information systems.
對某些較早開始電腦化的大型醫院來說，這部份的修改因應非常龐雜，因此像台大及長庚等醫院，都藉機進行資訊再造工程。