Table 3 Associations with MRSA colonisation
|  | Colonised (n = 13) | Not colonised (n = 139) | Prevalence of MRSA (%) | P-value |
|---|---|---|---|---|
Facility | Â | Â | Â | Â |
 Facility 1 | 6 (46.2) | 55 (39.6) | 9.8 | 0.167 |
 Facility 2 | 5 (38.5) | 78 (56.1) | 6.0 |  |
 Facility 3 | 2 (15.4) | 6 (4.3) | 25.0 |  |
Time in facility, months | 20.9 (17.3–36.4) | 44.2 (17.6–76.7) | NA | 0.042 |
Frail care resident | 8 (61.5) | 50 (36.0) | 13.0 | 0.070 |
Any incontinence | 5 (38.5) | 57 (41.0) | 8.1 | 0.858 |
Hospital exposure in last 6 months | 2 (15.4) | 39 (28.1) | 4.9 | 0.325 |
Systemic antibiotic exposure last 3 months | 3 (25.0) | 35 (25.6) | 7.9 | 0.967 |
Previous positive culture from a clinical specimena | 4 (50)b | 33 (40.2)c | 10.8 | 0.592 |
Mobility status (bedbound/chair bound) | 5 (38.5) | 32 (23.0) | 13.5 | 0.215 |
Katz score: median | 5.5 (4–6) | 6 (3–6) | NA | 0.766 |
Dementia | 4 (30.8) | 41 (29.5) | 8.9 | 0.923 |
Charlson index score | 1 (0–2) | 1 (0–2) | NA | 0.848 |
Currently using PPI | 3 (23.1) | 10 (76.9) | 8.1 | 0.701 |