Table 1. Characteristics of the 7 Italian institutions involved in the ARPEC project.

City	Hospital Characteristics	Treated patients	Total patients	Rates of treatment	Beds	Bed occupancy	N° of prescribed antibiotics	N° of prescribed antibiotics/treated patients	Combination therapies	Combination therapies/treated patients
Rome	Teaching hospital, tertiary hospital	63	117	53.8%	136	86.0%	111	1.76	38	60.3%
Padua	Teaching hospital, tertiary hospital	70	185	37.8%	213	86.9%	124	1.77	36	51.4%
Florence	Teaching hospital, tertiary hospital	59	144	41.0%	169	85.2%	98	1.66	26	44.1%
Milan	Teaching hospital, specialized hospital	38	100	38.0%	128	78.1%	55	1.45	14	36.8%
Genoa	Teaching hospital, tertiary hospital	83	217	38.2%	314	69.1%	104	1.25	18	21.7%
Naples	Teaching hospital, specialized hospital	28	109	25.7%	122	89.3%	42	1.50	11	39.3%
Viareggio	Secondary hospital	8	27	29.6%	45	60.0%	9	1.13	1	12.5%
TOT	-	349	899	38.8%	1127	79.8%	543	1.56	144	41.3%