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Table 1 Roommate colonization and contamination in patients and their surroundings as a function of index patient status

From: Not too close! impact of roommate status on MRSA and VRE colonization and contamination in Nursing Homes

Pathogen

Index patient status

Roommate outcome

Roommate positivity rates. N. positives/total (%)

Negative index patient

Positive index patient

Relative Risk (95% CI)

MRSA

Colonization

Colonization

4/42 (9.5%)

4/14 (28.6%)

2.62 (0.74–9.26)

 

Colonization

Contamination

7/42 (16.7%)

6/14 (42.9%)

2.57 (1.04–6.37)

 

Contamination

Contamination

8/43 (18.6%)

4/13 (30.8%)

1.65 (0.59–4.62)

 

Contamination

Colonization

4/43 (9.3%)

4/13 (30.8%)

3.31 (0.96–11.4)

VRE

Colonization

Colonization

15/41 (36.6%)

5/15 (33.3%)

0.91 (0.40–2.07)

 

Colonization

Contamination

8/40 (20%)

6/16 (37.5%)

1.87 (0.77–4.54)

 

Contamination

Contamination

6/36 (16.7%)

12/20 (60.0%)

3.60 (1.59–8.12)

 

Contamination

Colonization

9/35 (25.7%)

9/21 (42.9%)

1.67 (0.79–3.52)

  1. Relative Risk values in bold represent statistical significance (p < 0.05)