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Although study designs and data collection methods should be based on the most rigorous way of answering research questions It has been touted as a "quick and dirty" option because the clinical data already exist and just has to be abstracted from the medical charts Another advantage of retrospective chart review includes the relatively low cost when compared to prospective trials In addition, medical charts are generally accessible to researchers, and can be a source of clinical richness and accuracy. Due to these advantages, retrospective chart review may be suitable for pilot work in the LTC home setting, if valid and reliable methods are employed.
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Sharon Kaasalainen (2014) studied this question.
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