In the descriptive data, reference is made to the total number of boards for which figures are reported. The figures include the examiing and licensing boards in the United States, the Canal Zone, Guam, Puerto Rico, and the Virgin Islands. Alaska and Hawaii are listed among other states in this study.
STATE BOARD NUMBER, COUNCIL ON MEDICAL EDUCATION AND HOSPITALS. JAMA. 1960;173(4):379-426. doi:10.1001/jama.1960.03020220053016