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) |