Leapfrog releases spring rankings of Illinois hospitals Apr 29, 2021 | Hospitals, Top Stories Thirty-nine of 112 Illinois hospitals studied by the Leapfrog Group received top marks on patient safety, according to a report released Thursday.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.