Table 3. Antibiotic use based on different metrics for hospitalized patients with bacterial infection in the internal medicine ward of TASH in 2014, Addis Ababa, Ethiopia.

Variable		Wards	ICU
Agent days, mean ± standard deviation (SD) (range (R))		23.2±19.5(2–135)	18.5±11.9(5–55)
Antibiotic days, mean ± SD (R)		13.5±19.6(2–51)	9.5±5.9 (3–30)
Antibiotics course, mean ± SD (R)		2.4 ±1.1 (1–7)	2.7±1.4 (1–7)
Maximum no. of antibiotics at a time, mean ± SD (R)		1.9±0.6 (1–4)	2.2±0.8(1–5)
Treatment periods	One	237(84.0%)	38(92.7%)
	Two	39(13.8%)	2 (4.9%)
	Three	6(2.1%)	1(2.4%)