Table 2.

Patient characteristics

	pre-AS period	post-AS period	p-value
	(n = 288)	(n = 247)
Age (years)	81.9 ± 13.8	82.9 ± 12.2	0.281
Sex (F/M)	129/159	111/136	0.973
Body weight (Kg)	47.0 ± 13.8	46.8 ± 14.3	0.435
CCr (mL/min)	46.2 ± 30.7	45.4 ± 30.0	0.363
Focus of infection
Respiratory	148 (51)	152 (62)	0.212
Urinary tract	75 (26)	44 (18)	0.068
Gastrointestinal and Intraabdominal	38 (13)	27 (11)	0.479
Bone and soft tissue	17 (6)	13 (5)	0.762
Others	10 (4)	12 (5)	0.440

Values are presented as means±SD or numbers (%), CCr Creatinine clearance

Data were analyzed using the Mann-Whitney U-test or chi-squared test