Figure J. Distribution of Minimum Inhibitory Concentrations (MICs) TO Azithromycin Among GISP Isolates, 2005-2009

This web page is archived for historical purposes and is no longer being updated. Newer data is available on the STD Data and Statistics page.

CLINIC	Azithromycin	% of isolates
CLINIC	Azithromycin	2005	2006	2007	2008	2009
ALBUQUERQUE	≤0.03	1.1	.	0.6	.	13.5
	0.06	6.8	6.6	1.3	5.9	24.0
	0.125	50.0	49.0	26.9	25.5	33.3
	0.25	30.7	29.1	41.7	39.2	19.8
	0.5	5.7	13.9	23.7	27.5	8.3
	1.0	3.4	1.3	5.1	2.0	1.0
	2.0	1.1	.	0.6	.	.
	>=4.0	1.1	.	.	.	.
ATLANTA	≤0.03	0.8	1.6	1.3	.	24.6
	0.06	8.4	6.5	7.7	3.8	24.6
	0.125	39.2	38.2	46.2	13.0	43.5
	0.25	39.2	38.6	37.2	44.0	5.6
	0.5	11.8	14.6	7.7	32.6	0.9
	1.0	0.4	0.4	.	6.5	0.9
BALTIMORE	≤0.03	1.0	.	0.3	0.3	1.8
	0.06	3.7	7.2	2.4	4.7	7.6
	0.125	17.2	11.9	11.1	21.5	21.0
	0.25	47.1	51.6	43.9	45.5	47.8
	0.5	27.6	25.3	33.4	22.9	20.7
	1.0	2.7	4.0	8.8	5.1	1.1
	>=4.0	0.7	.	.	.	.
BIRMINGHAM	≤0.03	0.3	0.4	.	.	0.5
	0.06	6.3	3.3	1.8	1.7	12.4
	0.125	16.4	13.1	12.6	10.4	23.0
	0.25	53.8	43.4	37.1	40.4	42.6
	0.5	18.2	36.9	43.5	43.3	20.6
	1.0	3.8	2.9	5.0	4.2	1.0
	2.0	1.0	.	.	.	.
CHICAGO	≤0.03	5.7	5.4	4.5	6.1	4.7
	0.06	8.2	8.8	6.0	3.4	6.8
	0.125	15.4	14.9	8.6	11.1	13.6
	0.25	44.8	39.5	36.9	43.1	43.0
	0.5	18.3	24.3	35.4	27.9	25.5
	1.0	5.7	7.1	7.5	8.0	6.0
	2.0	1.1	.	.	.	0.4
	>=4.0	0.7	.	1.1	0.4	.
CINCINNATI	≤0.03	1.0	1.0	1.9	.	3.8
	0.06	6.0	8.0	2.7	9.4	11.3
	0.125	13.3	10.3	20.6	12.8	20.2
	0.25	41.3	49.0	28.0	41.1	31.5
	0.5	34.7	29.0	42.8	26.1	26.8
	1.0	3.0	2.7	3.9	10.6	6.6
	2.0	0.3	.	.	.	.
	>=4.0	0.3	.	.	.	.
CLEVELAND	≤0.03	7.8	1.7	3.2	3.3	6.4
	0.06	7.1	5.8	3.5	4.5	3.8
	0.125	18.0	10.9	11.2	12.3	25.1
	0.25	45.9	51.4	44.2	44.9	37.9
	0.5	19.4	26.9	32.3	30.0	25.1
	1.0	1.8	3.4	5.6	4.9	1.7
DALLAS	≤0.03	11.7	17.2	14.9	19.3	17.7
	0.06	29.2	32.4	26.4	20.0	19.7
	0.125	37.4	34.8	41.4	33.9	34.3
	0.25	19.6	12.2	13.2	23.1	24.0
	0.5	1.1	3.0	4.1	3.1	3.3
	1.0	0.4	.	.	0.7	1.0
	2.0	.	0.3	.	.	.
	>=4.0	0.7	.	.	.	.
DENVER	≤0.03	1.1	3.4	0.9	13.1	29.1
	0.06	12.7	10.9	9.2	17.9	15.7
	0.125	37.0	44.4	28.4	38.1	18.3
	0.25	31.0	29.7	39.0	18.3	28.7
	0.5	17.6	9.6	15.1	6.7	7.4
	1.0	0.7	2.0	4.6	6.0	0.9
	2.0	.	.	2.3	.	.
	>=4.0	.	.	0.5	.	.
DETROIT	≤0.03	3.4	5.3	1.4	4.9	6.5
	0.06	12.4	8.0	10.1	16.1	11.3
	0.125	18.8	14.3	11.5	12.6	19.5
	0.25	45.6	44.3	38.5	42.0	40.8
	0.5	19.5	27.0	30.9	23.1	17.8
	1.0	0.3	1.0	7.6	1.4	4.1
GREENSBORO	≤0.03	6.2	3.5	2.9	1.2	19.4
	0.06	14.7	7.5	6.4	4.8	8.8
	0.125	49.2	23.1	25.7	10.2	23.8
	0.25	28.2	52.6	55.0	59.9	24.4
	0.5	1.7	12.7	8.8	21.0	20.0
	1.0	.	0.6	1.2	3.0	3.8
HONOLULU	≤0.03	19.3	10.5	8.6	7.6	10.8
	0.06	18.2	20.0	14.3	19.0	17.6
	0.125	37.5	29.5	21.4	15.2	16.2
	0.25	14.8	25.3	35.7	30.4	17.6
	0.5	9.1	13.7	18.6	21.5	28.4
	1.0	.	.	1.4	2.5	8.1
	>=4.0	1.1	1.1	.	3.8	1.4
KANSAS CITY	≤0.03	.	.	1.8	2.8	6.3
	0.06	.	.	3.6	5.2	6.3
	0.125	.	.	9.1	18.7	13.7
	0.25	.	.	36.4	39.3	53.3
	0.5	.	.	40.0	25.0	19.0
	1.0	.	.	9.1	8.3	1.3
	>=4.0	.	.	.	0.8	.
LAS VEGAS	≤0.03	5.8	3.3	6.0	4.0	6.0
	0.06	5.1	3.7	7.3	7.3	6.3
	0.125	18.3	17.7	11.0	14.3	13.3
	0.25	52.2	42.7	28.7	30.7	42.0
	0.5	14.2	26.3	29.7	31.3	24.7
	1.0	3.4	5.7	14.7	12.3	7.3
	2.0	.	.	2.3	.	0.3
	>=4.0	1.0	0.7	0.3	.	.
LOS ANGELES	≤0.03	2.1	0.5	1.8	4.8	11.0
	0.06	11.4	10.6	7.3	5.6	13.8
	0.125	31.1	31.9	20.0	30.4	16.7
	0.25	35.8	33.8	39.4	44.0	31.9
	0.5	17.1	20.8	24.2	14.4	22.4
	1.0	1.6	2.4	6.1	0.8	3.8
	2.0	.	.	1.2	.	.
	>=4.0	1.0	.	.	.	0.5
MIAMI	≤0.03	0.8	0.5	1.9	1.5	3.2
	0.06	15.1	16.5	10.9	5.4	16.9
	0.125	36.6	30.2	24.8	15.8	26.0
	0.25	37.7	37.3	48.5	52.9	23.3
	0.5	8.7	14.6	12.8	20.1	23.3
	1.0	1.1	0.9	1.1	4.2	7.3
MINNEAPOLIS	≤0.03	6.8	3.5	4.0	1.1	1.6
	0.06	7.6	3.9	6.0	2.7	4.1
	0.125	16.5	12.6	13.5	10.9	10.6
	0.25	31.7	43.5	32.5	29.9	38.2
	0.5	28.5	25.7	27.8	38.0	34.1
	1.0	7.6	10.4	16.3	17.4	11.4
	2.0	.	0.4	.	.	.
	>=4.0	1.2	.	.	.	.
NEW ORLEANS	≤0.03	4.2	.	3.2	1.7	24.8
	0.06	12.5	6.1	10.0	8.0	16.9
	0.125	35.4	22.4	27.7	14.9	28.9
	0.25	37.5	46.9	46.6	52.6	19.8
	0.5	9.4	20.4	10.8	18.9	6.6
	1.0	1.0	4.1	1.6	4.0	2.9
NEW YORK CITY	≤0.03	.	.	1.1	0.8	10.6
	0.06	.	5.7	6.1	1.6	13.4
	0.125	.	11.3	19.3	19.5	28.5
	0.25	.	50.9	53.6	32.5	25.7
	0.5	.	24.5	17.1	36.6	19.6
	1.0	.	7.5	2.2	8.1	2.2
	>=4.0	.	.	0.6	0.8	.
OKLAHOMA CITY	≤0.03	2.7	1.3	.	1.7	0.8
	0.06	6.3	3.3	4.6	3.8	5.1
	0.125	22.3	14.3	16.8	20.8	22.8
	0.25	42.0	54.0	44.9	45.7	50.8
	0.5	26.0	25.0	29.5	26.6	18.1
	1.0	0.7	2.0	4.2	1.4	2.4
ORANGE COUNTY	≤0.03	.	1.5	1.7	.	1.2
	0.06	7.5	4.5	4.3	3.4	1.2
	0.125	16.7	21.8	16.2	8.0	3.7
	0.25	45.0	36.1	40.2	20.7	12.2
	0.5	27.5	27.8	32.5	50.6	53.7
	1.0	3.3	4.5	5.1	17.2	26.8
	2.0	.	0.8	.	.	.
	>=4.0	.	3.0	.	.	1.2
PHILADELPHIA	≤0.03	0.7	0.7	.	.	.
	0.06	5.3	8.7	2.8	4.3	1.5
	0.125	14.0	13.3	14.2	9.1	15.0
	0.25	33.7	40.0	25.2	33.2	36.9
	0.5	35.3	28.7	39.4	43.5	35.9
	1.0	10.7	8.3	18.4	9.5	10.7
	2.0	.	.	.	0.4	.
	>=4.0	0.3	0.3	.	.	.
PHOENIX	≤0.03	2.5	3.3	1.1	2.8	1.3
	0.06	10.6	9.6	6.9	10.9	7.0
	0.125	27.6	33.3	15.6	9.3	9.3
	0.25	41.0	36.7	45.5	29.0	34.4
	0.5	17.0	16.3	25.1	33.5	35.7
	1.0	1.4	0.7	5.8	13.7	11.5
	2.0	.	.	.	0.4	0.4
	>=4.0	.	.	.	0.4	0.4
PORTLAND	≤0.03	5.9	10.1	4.1	6.4	3.8
	0.06	16.4	8.3	6.8	5.1	8.6
	0.125	34.9	29.0	29.9	17.8	13.3
	0.25	27.3	40.8	42.2	34.4	34.3
	0.5	15.1	11.2	15.0	33.8	32.4
	1.0	0.4	.	0.7	2.5	7.6
	2.0	.	0.6	.	.	.
	>=4.0	.	.	1.4	.	.
RICHMOND	≤0.03	.	.	.	0.8	.
	0.06	.	.	.	3.2	6.5
	0.125	.	.	.	22.6	25.8
	0.25	.	.	39.3	39.5	41.9
	0.5	.	.	50.0	29.8	22.6
	1.0	.	.	10.7	4.0	3.2
SAN DIEGO	≤0.03	2.4	0.8	0.5	.	.
	0.06	12.9	6.1	5.8	1.1	5.8
	0.125	24.5	24.8	14.7	5.5	5.2
	0.25	31.3	39.7	32.6	29.1	23.3
	0.5	26.2	27.9	31.6	44.5	43.0
	1.0	1.4	0.8	14.2	19.8	19.8
	2.0	1.0	.	0.5	.	.
	>=4.0	0.3	.	.	.	2.9
SAN FRANCISCO	≤0.03	6.0	6.0	4.0	2.4	12.3
	0.06	21.3	7.0	7.7	11.4	6.2
	0.125	35.7	30.8	26.3	21.8	15.8
	0.25	27.7	31.1	37.0	36.5	33.1
	0.5	8.0	24.1	21.3	25.1	28.8
	1.0	0.3	0.7	3.3	2.4	3.8
	2.0	.	.	.	0.5	.
	>=4.0	1.0	0.3	0.3	.	.
SEATTLE	≤0.03	3.7	4.1	6.4	4.9	11.7
	0.06	20.1	14.0	9.0	25.2	7.4
	0.125	37.3	40.1	23.4	27.0	33.3
	0.25	31.0	29.3	39.4	22.1	30.9
	0.5	7.1	10.7	19.1	17.8	11.1
	1.0	.	1.2	2.1	3.1	5.6
	2.0	.	.	0.5	.	.
	>=4.0	0.7	0.4	.	.	.
TRIPLER	≤0.03	50.0	.	.	.	33.3
	0.06	50.0	.	.	.	16.7
	0.125	.	100.0	.	.	16.7
	0.25	.	.	.	.	16.7
	0.5	.	.	.	.	16.7

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Page last reviewed: March 15, 2011 (archived document)
Content source:
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention