What does prefix mean? It is an addition to the beginning of a word or it is a small  number or letter next to a larger number in math and chemistry. The opposite of a suffix, its something that yoâ¦u would add to the front of a word. Like done, re-done.
The objective of retrospective record review is to estimate the incidence of HIs in a health-. care facility and understand their causes. After gathering a random sample of medical records from patients admitted during the past. year, a record screener determines, for each case, whether an HI is present or not.
A retrospective study uses existing data that have been recorded for reasons other than research. A retrospective case series is the description of a group of cases with a new or unusual disease or. treatment. With a case-control study, cases with and without the condition of interest are identified, and the degree of exposure to a possible risk factor is then retrospectively compared between the. 2 groups.