Figure J. Distribution of Azithromycin Minimum Inhibitory Concentrations (MICs) Among GISP Isolates, 2009-2013

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CLINIC	Azithromycin	Percentage
CLINIC	Azithromycin	2009	2010	2011	2012	2013
ALBUQUERQUE	<=0.03	13.5	20.0	26.3	13.2	18.7
	0.06	24.0	22.9	29.6	17.1	18.0
	0.125	33.3	21.9	18.4	32.2	32.4
	0.25	19.8	13.3	15.1	19.7	20.9
	0.5	8.3	18.1	7.9	14.5	7.9
	1.0	1.0	1.9	2.6	3.3	2.2
	2.0	.	1.9	.	.	.
ATLANTA	<=0.03	24.6	19.2	26.7	23.5	23.0
	0.06	24.6	23.0	22.0	18.8	14.3
	0.125	43.5	38.0	26.7	31.8	24.0
	0.25	5.6	13.9	14.8	17.3	24.0
	0.5	0.9	5.2	9.4	8.7	13.3
	1.0	0.9	0.7	0.4	.	1.3
BALTIMORE	<=0.03	1.8	1.2	1.4	1.0	3.0
	0.06	7.6	5.3	10.6	7.7	7.0
	0.125	21.0	23.0	27.6	25.7	24.0
	0.25	47.8	46.3	45.4	46.0	45.3
	0.5	20.7	20.5	15.0	19.3	18.0
	1.0	1.1	3.7	.	0.3	2.7
BIRMINGHAM	<=0.03	0.5	4.9	3.8	2.7	2.6
	0.06	12.4	3.8	13.7	10.7	12.4
	0.125	23.0	22.2	32.1	36.0	33.3
	0.25	42.6	43.6	46.2	40.7	43.8
	0.5	20.6	19.5	4.2	9.7	7.8
	1.0	1.0	6.0	.	.	.
	>=4.0	.	.	.	0.3	.
CHICAGO	<=0.03	4.7	0.8	3.0	2.5	1.0
	0.06	6.8	5.6	3.3	5.5	5.0
	0.125	13.6	9.6	17.8	20.7	17.7
	0.25	43.0	41.6	39.4	29.5	38.3
	0.5	25.5	30.4	29.4	32.7	27.3
	1.0	6.0	10.4	6.7	8.4	8.7
	2.0	0.4	.	.	.	2.0
	>=4.0	.	1.6	0.4	0.7	.
CLEVELAND	<=0.03	6.4	0.5	2.0	1.7	2.4
	0.06	3.8	6.6	6.9	14.3	16.2
	0.125	25.1	10.4	9.3	20.6	10.2
	0.25	37.9	38.2	32.4	32.0	34.7
	0.5	25.1	40.1	41.7	30.9	34.7
	1.0	1.7	4.2	7.8	0.6	1.8
COLUMBUS	<=0.03	.	.	.	.	12.0
	0.06	.	.	.	8.8	9.3
	0.125	.	.	.	15.0	37.7
	0.25	.	.	.	58.4	29.3
	0.5	.	.	.	16.8	10.3
	1.0	.	.	.	0.9	1.3
DALLAS	<=0.03	17.7	34.1	19.5	10.6	8.0
	0.06	19.7	25.3	27.7	11.0	5.2
	0.125	34.3	33.4	41.2	41.3	37.3
	0.25	24.0	5.1	11.2	30.7	42.9
	0.5	3.3	2.0	0.4	4.6	4.2
	1.0	1.0	.	.	1.1	1.7
	2.0	.	.	.	0.4	0.7
	>=4.0	.	.	.	0.4	.
DENVER	<=0.03	29.1	43.9	12.8	2.1	5.5
	0.06	15.7	16.7	17.6	7.3	7.5
	0.125	18.3	28.9	33.7	31.1	38.2
	0.25	28.7	6.7	23.5	52.3	43.2
	0.5	7.4	3.3	10.2	7.3	5.0
	1.0	0.9	0.4	1.6	.	.
	2.0	.	.	0.5	.	.
	>=4.0	.	.	.	.	0.5
GREENSBORO	<=0.03	19.4	15.3	25.2	21.6	6.5
	0.06	8.8	15.9	18.7	11.8	14.3
	0.125	23.8	36.0	28.0	32.4	18.5
	0.25	24.4	24.3	21.5	24.5	44.6
	0.5	20.0	8.5	6.1	8.8	15.5
	1.0	3.8	.	0.5	1.0	0.6
HONOLULU	<=0.03	10.8	10.3	6.6	6.1	5.5
	0.06	17.6	14.1	13.1	13.3	26.0
	0.125	16.2	35.9	31.1	14.3	34.2
	0.25	17.6	25.6	41.0	32.7	28.8
	0.5	28.4	9.0	8.2	27.6	4.1
	1.0	8.1	2.6	.	4.1	.
	2.0	.	.	.	1.0	.
	>=4.0	1.4	2.6	.	1.0	1.4
INDIANAPOLIS	<=0.03	.	.	.	.	5.0
	0.06	.	.	.	.	7.4
	0.125	.	.	.	.	36.1
	0.25	.	.	.	.	33.1
	0.5	.	.	.	.	14.4
	1.0	.	.	.	.	4.0
KANSAS CITY	<=0.03	6.3	.	1.3	0.7	0.7
	0.06	6.3	6.3	1.3	9.0	2.3
	0.125	13.7	9.3	13.0	21.7	32.7
	0.25	53.3	44.7	38.7	41.3	44.3
	0.5	19.0	37.3	41.3	26.0	16.3
	1.0	1.3	2.3	4.3	1.3	3.7
LAS VEGAS	<=0.03	6.0	2.0	1.7	7.1	6.0
	0.06	6.3	5.3	5.2	7.5	9.3
	0.125	13.3	10.7	17.9	26.5	13.0
	0.25	42.0	34.0	33.3	37.5	41.0
	0.5	24.7	34.0	29.2	19.0	25.0
	1.0	7.3	14.0	12.4	2.0	5.3
	2.0	0.3	.	0.3	.	.
	>=4.0	.	.	.	0.4	0.3
LOS ANGELES	<=0.03	11.0	18.2	7.5	3.4	1.0
	0.06	13.8	14.0	14.4	8.1	4.6
	0.125	16.7	35.2	32.2	24.8	28.4
	0.25	31.9	18.2	40.2	36.9	45.4
	0.5	22.4	11.0	5.7	25.5	19.1
	1.0	3.8	2.3	.	0.7	1.0
	2.0	.	.	.	0.7	0.5
	>=4.0	0.5	1.1	.	.	.
MIAMI	<=0.03	3.2	23.4	30.2	29.3	16.0
	0.06	16.9	20.1	17.3	18.6	19.3
	0.125	26.0	25.4	18.5	21.8	20.9
	0.25	23.3	18.7	17.9	15.4	17.1
	0.5	23.3	8.1	12.3	12.2	19.3
	1.0	7.3	2.9	3.7	2.7	3.7
	2.0	.	1.4	.	.	3.2
	>=4.0	.	.	.	.	0.5
MINNEAPOLIS	<=0.03	1.6	2.8	2.1	2.6	1.0
	0.06	4.1	5.6	2.1	7.7	6.2
	0.125	10.6	12.7	8.5	12.8	2.1
	0.25	38.2	28.2	34.0	28.2	26.8
	0.5	34.1	31.0	34.0	43.6	48.5
	1.0	11.4	16.9	19.1	3.8	14.4
	2.0	.	.	.	1.3	1.0
	>=4.0	.	2.8	.	.	.
NEW ORLEANS	<=0.03	24.8	17.7	21.8	17.7	11.0
	0.06	16.9	12.8	29.8	12.8	19.6
	0.125	28.9	33.3	21.8	41.9	30.1
	0.25	19.8	22.6	14.9	21.7	21.1
	0.5	6.6	13.2	9.7	4.9	16.7
	1.0	2.9	0.4	2.0	1.0	1.4
NEW YORK CITY	<=0.03	10.6	15.2	21.8	12.0	12.1
	0.06	13.4	9.6	14.4	17.5	7.1
	0.125	28.5	35.9	21.8	24.6	28.4
	0.25	25.7	20.2	28.7	31.1	25.5
	0.5	19.6	16.2	11.6	13.1	24.8
	1.0	2.2	3.0	1.4	1.1	2.1
	2.0	.	.	0.5	0.5	.
OKLAHOMA CITY	<=0.03	0.8	2.6	7.7	8.8	2.9
	0.06	5.1	13.7	10.1	10.3	6.9
	0.125	22.8	27.9	33.7	42.3	22.3
	0.25	50.8	37.8	42.6	29.4	45.1
	0.5	18.1	16.7	4.7	8.8	20.0
	1.0	2.4	1.3	1.2	0.5	2.9
ORANGE COUNTY	<=0.03	1.2	1.0	0.9	3.2	1.6
	0.06	1.2	1.9	9.3	14.5	4.0
	0.125	3.7	3.8	12.1	16.1	17.7
	0.25	12.2	15.4	26.2	33.1	36.3
	0.5	53.7	49.0	48.6	29.8	37.1
	1.0	26.8	26.9	2.8	3.2	2.4
	2.0	.	1.0	.	.	.
	>=4.0	1.2	1.0	.	.	0.8
PHILADELPHIA	<=0.03	.	1.4	0.3	2.0	2.3
	0.06	1.5	5.1	5.2	6.0	5.0
	0.125	15.0	11.1	25.7	20.7	19.0
	0.25	36.9	40.2	45.5	49.7	46.7
	0.5	35.9	33.4	22.6	19.3	24.7
	1.0	10.7	8.8	0.7	2.0	2.0
	>=4.0	.	.	.	0.3	0.3
PHOENIX	<=0.03	1.3	1.5	1.0	2.7	1.0
	0.06	7.0	5.0	4.7	6.7	4.3
	0.125	9.3	7.0	11.3	19.7	11.3
	0.25	34.4	26.6	28.0	44.0	46.0
	0.5	35.7	42.2	38.7	23.7	28.0
	1.0	11.5	15.6	15.0	3.0	8.3
	2.0	0.4	0.5	0.7	0.3	1.0
	>=4.0	0.4	1.5	0.7	.	.
PONTIAC	<=0.03	.	.	.	5.2	3.7
	0.06	.	.	.	5.2	4.2
	0.125	.	.	.	20.1	21.6
	0.25	.	.	.	53.6	38.4
	0.5	.	.	.	11.9	25.8
	1.0	.	.	.	3.6	4.2
	2.0	.	.	.	0.5	1.6
	>=4.0	.	.	.	.	0.5
PORTLAND	<=0.03	3.8	8.5	3.6	4.3	6.2
	0.06	8.6	9.4	5.4	9.6	7.0
	0.125	13.3	34.9	18.0	26.1	23.3
	0.25	34.3	34.0	59.9	16.5	37.2
	0.5	32.4	13.2	10.8	38.3	20.9
	1.0	7.6	.	0.6	4.3	3.9
	>=4.0	.	.	1.8	0.9	1.6
RICHMOND	<=0.03	.	7.1	.	5.0	.
	0.06	6.5	7.1	3.4	20.0	.
	0.125	25.8	28.6	13.8	25.0	33.3
	0.25	41.9	35.7	31.0	40.0	46.7
	0.5	22.6	21.4	44.8	10.0	20.0
	1.0	3.2	.	6.9	.	.
SAN DIEGO	<=0.03	.	0.5	1.0	2.0	2.3
	0.06	5.8	2.4	9.0	8.3	6.8
	0.125	5.2	6.3	8.1	13.2	24.4
	0.25	23.3	15.6	35.7	34.1	33.0
	0.5	43.0	56.1	41.4	37.1	31.8
	1.0	19.8	16.6	3.8	5.4	1.1
	2.0	.	0.5	1.0	.	.
	>=4.0	2.9	2.0	.	.	0.6
SAN FRANCISCO	<=0.03	12.3	10.9	7.5	.	1.1
	0.06	6.2	16.5	7.5	4.7	3.0
	0.125	15.8	43.0	42.0	24.4	22.7
	0.25	33.1	20.4	37.7	44.2	50.2
	0.5	28.8	8.3	4.7	22.9	21.9
	1.0	3.8	0.4	.	3.9	0.7
	>=4.0	.	0.4	0.5	.	0.4
SEATTLE	<=0.03	11.7	8.4	15.0	2.7	4.2
	0.06	7.4	18.5	9.6	15.4	2.8
	0.125	33.3	16.8	22.8	16.1	16.1
	0.25	30.9	43.7	44.3	36.2	54.5
	0.5	11.1	11.3	7.2	26.2	19.6
	1.0	5.6	0.8	0.6	3.4	2.8
	2.0	.	0.4	.	.	.
	>=4.0	.	.	0.6	.	.
TRIPLER	<=0.03	33.3	50.0	.	14.3	.
	0.06	16.7	.	33.3	28.6	18.2
	0.125	16.7	50.0	33.3	28.6	36.4
	0.25	16.7	.	33.3	21.4	45.5
	0.5	16.7	.	.	7.1	.

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Page last reviewed: March 25, 2015 (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