Division of Epidemiology, Environmental and Occupational Health
Epidemiology Surveillance System
1998 Report

Exhibit 21 :
Imipenem-Resistant Gram-Negative Bacilli Blood Isolates by County, 1998
In Descending Order of Number of Isolates per 100,000 Population

County Num. Isolates Percentage Isolates / 100,000 Population
Essex 42 31.34% 5.60
Cumberland 6 4.48% 4.28
Middlesex 27 20.15% 3.77
Hudson 17 12.69% 3.05
Salem 1 0.75% 1.54
Bergen 13 9.70% 1.51
Passaic 7 5.22% 1.44
Sussex 2 1.49% 1.40
Morris 5 3.73% 1.09
Mercer 3 2.24% 0.90
Ocean 3 2.24% 0.61
Union 3 2.24% 0.60
Gloucester - Camden * 2 1.49% 0.27
Hunterdon - Somerset * 1 0.75% 0.25
Burlington 1 0.75% 0.24
Monmouth 1 0.75% 0.17
State Total 134 100.00% 1.65
Rate = Number of isolates per 100,000 resident population in each county.   
* Data for these two neighboring counties were aggregated according to guidelines of confidentiality   disclosure.

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