from a random sample of patients and hospitals and extrapolation ratios derived from the best available sources of data , the authors estimate that the nationwide nosocomial infection rate among the 6,449 acute-care us hospitals in 1975-1976 was 5.7 nosocomial infections per 100 admissions and that over 2 million nosocomial infections occurred in a 12-month period in these hospitals .
C0009450
infection
C0205721
nosocomial infections