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Table 1 Demographic and clinical characteristics of colonised (n=716) and infected patients (n=121)

From: Progression from new methicillin-resistant Staphylococcus aureus colonisation to infection: an observational study in a hospital cohort

  Colonised patients (%) Infected patients (%) Total (%)
Age (years)       
≤ 39 83 (11.5%) 7 (5.8%) 90 (10.7%)
40-59 209 (29.1%) 30 (24.8%) 239 (28.5%)
60-79 298 (41.4%) 65 (53.7%) 363 (43.2%)
80 + 129 (17.9%) 19 (15.7%) 148 (17.6%)
Gender       
Male 460 (64.0%) 86 (71.1%) 546 (65.0%)
Female 259 (36.0%) 35 (28.9%) 294 (35.0%)
Ethnicity       
Chinese 485 (67.5%) 85 (70.2%) 570 (67.9%)
Malay 131 (18.2%) 20 (16.5%) 151 (18.0%)
Indian 65 (9.0%) 11 (9.1%) 76 (9.0%)
Other 38 (5.3%) 5 (4.1%) 43 (5.1%)
Co-morbidities       
Diabetes 233 (32.4%) 45 (37.2%) 278 (33.1%)
Active malignancy 66 (9.2%) 18 (14.9%) 84 (10.0%)
Haemodialysis 246 (34.2%) 49 (40.5%) 295 (35.1%)
Non-cancer immunosuppression 91 (12.7%) 2 (1.7%) 93 (11.1%)
Exposures       
Surgery within 30 days 350 (48.7%) 71 (58.7%) 421 (50.1%)
ICU admission 325 (45.2%) 67 (55.4%) 392 (46.7%)
Central line placement 237 (33.0%) 50 (41.3%) 287 (34.2%)
Outcome       
Mortality at 30 days 33 (4.6%) 20 (16.5%) 53 (6.3%)
Mortality at 6 months 90 (12.5%) 35 (28.9%) 125 (14.9%)