Table 4.
Univariate analysis of demographic and admission data of entry screening (n = 2257)
| MRSA positive on admission, [n = 273 (%)a] | MRSA negative on admission, [n = 1984 (%)a] | OR (95 % CI) | p value | |
|---|---|---|---|---|
| Demographics | ||||
| Age, median (range) | 61 (18–97) | 46 (13–109) | 1.04 (1.03–1.05) | <0.001 |
| ≥ 65 years | 118 (43.2) | 323 (16.3) | 3.91 (2.96–5.16) | <0.001 |
| < 65 years | 155 (56.8) | 1661 (83.7) | 1.0 | |
| Gender | ||||
| Male | 178 (65.2) | 1420 (71.6) | 0.74 (0.57–0.98) | 0.03 |
| Female | 95 (34.8) | 564 (28.4) | 1.0 | |
| Ethnicity | ||||
| Chinese | 210 (76.9) | 1410 (71.1) | 1.36 (1.00–1.86) | 0.04 |
| Malay | 35 (12.8) | 238 (12.0) | 1.08 (0.72–1.58) | 0.70 |
| Indian | 19 (7.0) | 181 (9.1) | 0.74 (0.43–1.22) | 0.24 |
| Others | 9 (3.3) | 155 (7.8) | 0.40 (0.18–0.80) | 0.007 |
| Patient groups | ||||
| HIV | 97 (35.5) | 816 (41.1) | 0.79 (0.60–1.03) | 0.077 |
| Dermatology | 162 (59.3) | 662 (33.4) | 2.91 (2.23–3.81) | <0.001 |
| Infectious disease | 14 (5.1) | 506 (25.5) | 0.16 (0.08–0.27) | <0.001 |
aUnless otherwise indicated