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Harrington CA, McLaughlin RA, Saliba D, Halifax E, Mollot RJ, Romano PS, Tancredi DJ, Mukamel DB. Nursing Home Guide to Adjusting Nurse Staffing for Resident Case-Mix. Journal of the American Geriatrics Society. 2025 May 2 DOI: 10.1111/jgs.19501.
BACKGROUND: Nursing homes (NHs) are required to provide sufficient nursing staff to meet the needs of their residents. This study provides a guide for NHs to align nurse staffing levels with resident needs and calculates the gap between reported and expected NH staffing. METHODS: Using the best available research data and recent federal minimum staffing requirements, expected nurse staffing levels were estimated for the 25 resident case-mix index (CMI) groups established by the Centers for Medicare and Medicaid Services (CMS) using nonlinear least-squares regression analyses. We compared the reported to expected staffing for all US NHs (14,420) in 2024. RESULTS: Expected registered RN hours per resident day (HRPD) ranged from 0.55 to 2.39 for the lowest and highest CMIs. Certified nursing assistants HPRD ranged from 2.45 to 3.6 HPRD, and total nursing ranged from 3.48 to 7.68 HPRD. In 2024, US NHs reported that the average facility CMI was 1.35. Reported RN HPRD was 32% below expected staffing, CNA HPRD was 30% below, and total nursing HPRD was 22% below expected staffing. NHs in the three highest CMI groups were more likely to meet expected RN or total HPRD than NHs in lower CMI groups. CONCLUSIONS: Most NHs need to increase staffing to meet resident acuity needs.