Table 1. Categorization of Reports about Control of MDROs in Healthcare Settings, 1982-2005

Management of Multidrug-Resistant Organisms in Healthcare Settings (2006)

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Number of studies that were reviewed for the 3 types of MDRO.
MDRO MDR-GNB MRSA VRE
No. of Studies Reviewed/category 30 35 39
Types of Healthcare Facilities from which Study or Report Arose
Number and percent of studies for various MDROs by healthcare facility type.
Facility Type MDR-GNB MRSA VRE
No. (%) from academic facilities α 30 (100) 28 (80) 33 (85)
No. (%) from other hospitals 0 4 (11) 3 (8)
No. (%) from LTCFs 0 1 (3) 2 (5)
No. (%) from multiple facilities in a region 0 2 (6) 1 (2)

 

α Variably described as university hospitals, medical school affiliated hospitals, VA teaching hospitals, and, to a much lesser extent, community teaching hospitals

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Unit of Study for MDRO Control Efforts
The unit of study and for each type of MDRO, the number and (%) of studies.
Unit of Study MDR-GNB MRSA VRE
Special unit β 20 13 19
Hospital 10 19 17
LTCF 0 1 2
Region 0 2 1

 

β Includes intensive care units, burn units, dialysis units, hematology/oncology units, neonatal units, neonatal intensive care units, and, in a few instances, individual wards of a hospital

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Nature of Study or Report on MDRO Control χ
Number of outbreak and non-outbreak studies for each of the 3 types of MDRO.
Nature of Study MDR-GNB MRSA VRE
Outbreak 22 19 28
Non-outbreak 8 16 11

 

χ Based on authors’ description – if they called their experience an outbreak or not; authors vary in use of term so there is probable overlap between two categories

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Total Period of Observation after Interventions Introduced
Time period and number of studies for each type of MDRO.
Time Period MDR-GNB MRSA VRE
Less than 1 year 17 14 25
1-2 years 6 6 6
2-5 years 5 11 8
Greater than 5 years 2 4
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Numbers of Control Measures Employed in Outbreaks/Studies
Range, median, and mode for each type of MDRO, the number of studies.
Outbreak Control Measures MDR-GNB MRSA VRE
Range 2-12 0-11 1-12
Median 7 7 8
Mode 8 7 9
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References for Tables

MDR-GNBs: (6, 8, 9, 11, 16, 38, 174, 175, 180, 209, 210, 213-215, 218, 334, 388, 406, 407)

MRSA: (68, 89, 152, 153, 165-173, 183, 188, 194, 204, 205, 208, 240, 269, 279, 280, 289, 304,
312, 327, 365, 392, 397, 408-412)

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Page last reviewed: November 5, 2015
Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Healthcare Quality Promotion (DHQP)