Final answer:
The question asks about the incidence of pressure sores in nursing home residents, but the provided material does not directly answer it. The reference highlights other health issues and preventive care in nursing homes.
Step-by-step explanation:
The question concerns the percentage of residents who develop a pressure sore within a certain timeframe after moving into nursing homes. Although the provided reference material does not directly state the percentage and time frame for the development of pressure sores, it addresses related health concerns in elderly patients in nursing homes, like infectious diseases, prescription medication usage, and other health risks such as decubitus ulcers, commonly known as bedsores. It highlights the importance of regular checks and preventive measures to maintain the health of residents in such facilities.