RESEARCH

Data Studies

Original analyses of US nursing homes and care quality, built from CMS Care Compare. Free to reference — please cite with a link back to CareLens.

Best & Worst States for Hospital Quality →

Every US state ranked by average CMS hospital overall star rating — where hospital quality is highest and lowest, the share of 1-star vs 5-star hospitals nationally, and the full state-by-state breakdown.

Nursing Home Star Ratings by State →

What share of US nursing homes carry CMS's lowest 1-star rating — the national 1-star vs 5-star split, the states with the weakest average ratings, and the largest low-rated facilities nationally.