Staffing ratios for professional personnel functioning in an intensive physical rehabilitation program at Rancho Los Amigos Hospital, representing experience with treatment of patients with severe physical disabilities on the one hand and budget pressures and procedures on the other, are as follows:Physician to patients..... 1:33Nursing service per patient per day (including registered nurse, licensed vocational nurse, attendant).....4 hoursPhysical therapy to patients..... 1:7Occupational therapy to patients.... 1:14Medical social service to patients.... 1:35Psychology or vocational counselor to patients (needing service)..... 1:35.