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| Risk factors | MRSA n = 32 | MSSA n = 30 | Odd ratio | P value |
|---|---|---|---|---|
| Hospital stay > 8d | 22 | 13 | 2.87 | 0.04 |
| Past MRSA infection | 2 | 0 | -- | -- |
| Previous hospitalisation | 7 | 3 | 2.52 | 0.2 |
| Past antibiotic exposure | 7 | 2 | 3.92 | 0.08 |
| Breach in the skin | 18 | 6 | 5.14 | 0.003 |
| Intravenous catheter | 29 | 21 | 4.14 | 0.03 |
| Urinary catheter | 9 | 5 | 1.95 | 0.28 |
| Endotracheal tube | 4 | 1 | 4.14 | 0.18 |
| Nasogastric tube | 3 | 0 | -- | -- |
| Central line | 1 | 0 | -- | -- |
| Impaired immunity | 3 | 0 | -- | -- |
