Table 2. Antimicrobial use at teaching and nonteaching hospitals in 2010.

Type of hospital	Number of surveyed hospitals	Number of surveyed patients	Antimicrobial use prevalence (%; 95% confidence intervals)	Proportion of antimicrobial use purpose (%)			Proportion of antimicrobial combination therapy use (%)			BCR (%)
				Therapy	Prophylaxis	Both	One	Two	Three or more
Teaching hospital	41	69815	47.96 (47.59–48.33)	41.17	48.02	10.81	71.41	26.25	2.34	36.40
Nonteaching hospital	206	195527	46.16 (45.94–46.38)	51.89	37.47	10.64	67.33	30.81	1.86	34.19