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Table 1 Data from 224 hospitals participating in MRSA-KISS from 2004 to 2009

From: Individual units rather than entire hospital as the basis for improvement: the example of two Methicillin resistant Staphylococcus aureus cohort studies

Year

Hospitals

MRSA cases

Patient days

MRSA incidence density/per 1000 patient days

IRR

 
 

Total

Imported (%)

Hospital acquired

 

Total

Im-ported

Hospital acquired

Hospital acquired

CI95

2004

63

5651

3327 (59)

2324

9421634

0,60

0,35

0,25

1 = reference

 

2005

88

9124

5885 (65)

3239

12808024

0,71

0,46

0,25

1.03

0.97-1.08

2006

115

13810

9631 (70)

4179

15957877

0,87

0,60

0,26

1.06

1.01-1.12

2007

148

19147

13991 (73)

5156

19594818

0,98

0,71

0,26

1.07

1.02-1.12

2008

178

24190

18493 (76)

5697

23864511

1,01

0,77

0,24

0.97

0.92-1.02

2009

204

28628

22822 (80)

5806

25416849

1,13

0,90

0,23

0.93

0.88-0.97

Total

224

100550

74149 (74)

26401

107063713

0,94

0,69

0,25