Gram-stain-based antimicrobial selection reduces cost and overuse compared with Japanese guidelines

BMC Infectious Diseases

Table 5 Antimicrobial costs in each group

		Antibiotics total cost (yen)
	N	Gram stain	Guidelines	Cost ratio
Pulmonary system	Subtotal = 45
Community-acquired pneumonia	7	94,843	115,528	0.82
Aspiration pneumonia	38	635,846	1,940,352	0.33
Urinary tract	Subtotal = 105
Pyelonephritis	20	447,282	764,816	0.58
Complicated pyelonephritis	67	2,021,718	4,559,744	0.44
Urosepsis	8	484,687	591,654	0.82
Prostatitis	5	100,652	142,056	0.71
Catheter related pyelonephritis	5	202,330	430,245	0.47
Skin & soft tissue	Subtotal = 58
Cellulitis	34	555,997	1,279,216	0.43
Severe cellulitis	18	540,940	1,505,790	0.36
MRSA suspected cellulitis	6	324,756	1,565,758	0.21
Total	208	5,409,051	12,894,159	0.42

ISSN: 1471-2334