24.6 Universidade de Maryland Medical System, Baltimore 108 77.7 175 20.8 21.3 Johns Hopkins Hospital, Baltimore 340 76.6 469 23.3 19.8 Beth Israel Hospital, Massachusetts 101 82.2 214 2.6 4.7 Beth Israël Diaconess Medical Center, Boston 177 63.9 208 34.7 33.1 Universidade do Massachusetts Medical Centre