ST. LOUIS, Mo. (KMOX) – How do Missouri and Illinois stack up when it comes to a new national ranking of safest hospitals?

Illinois has the seventh highest percentage of hospitals that received an A grade in this latest ranking by the Leapfrog Group.

51 hospitals in Illinois got A grades, that’s 43 percent of the hospitals in the state, including two in the Metro East.

Missouri comes in at number 21 nationwide with 18 Grade A hospitals, or 29 percent of the state’s total, including 9 in the St. Louis area.

Massachusetts had the biggest percentage with 83 percent of the hospitals in the state meeting Grade A standards.

New Mexico the lowest at 7 percent.