Table 3.

Number of patients, infections, antibiotic consumption, and cost in intensive care units (ICU)

Parameters	Gentamicin period	Amikacin period	P
Number of patients admitted to ICUs	5706	6001	0.006*
Average number of patient-days spent in ICU (mean±standard deviation)	2.3 ± 0.5	2.5 ± 0.6	0.756†
Sepsis rate (%)	3.6	2.2	0.001*
Number of hospital acquired infections/100 patient-days	55	26	0.001*
Number of out-of-hospital infections/100 patient-days	99	89	0.466*
Antibiotic consumption (defined daily dose/100 patient-days)	92	79	0.300*

*χ² test.

†t test.