| Summary: | Changing market conditions and increasingly scarce human resources require health care providers to analyze, review, and constantly adjust their processes within their healthcare facilities. A personnel requirement assessment based on the WISN method has proven to be a useful instrument for personnel planning, but also for identifying potential for improvement and process optimization. Based on a mixed method approach, using a systematic literature review, focus group-based experts discussions and interviews the WISN – method was applied to calculate human resource needs for a neurology team of therapists in a general hospital in Germany. Furthermore, the study intended to identify concrete measures for optimization. The results show that it is possible to calculate the required personal resources using the WISN-Method. Additionally, three support activities (daily documentation, weekly documentation, and scheduling) which, at 5.5 hours/week per therapist, tie up considerable working time could be identified. After implementing the optimization measures, a maximum of 1.36 full-time equivalents (FTE) therapists out of a team of 9.51 FTEs therapists could be saved or used for value-adding other health activities. It can be concluded that WISN is a good way to calculate Human Resource (HR) requirements and can help to increase transparency and efficiency in health care.
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