Table 1 Baseline characteristics of patients diagnosed with MRSA (1439 subjects; mean ± SD age 70.3 ± 18.3 years) and a matched population sample free of MRSA (14,090 subjects; mean ± SD age 69.9 ± 18.2 years) from GPRD (2001–2004)
Characteristic | Patients with MRSA | Matched MRSA-free patients | ||
|---|---|---|---|---|
n | Percentage | n | Percentage | |
Male | 604 | 42.0% | 5988 | 42.5% |
Female | 835 | 58.0% | 8102 | 57.5% |
Co-morbidity in the 2 years prior to cohort entry | ||||
Diabetes | 162 | 11.3% | 877 | 6.2% |
Cardiovascular disease | 98 | 6.8% | 467 | 3.3% |
Stroke | 74 | 5.1% | 140 | 1.0% |
Peripheral vascular disease | 34 | 2.4% | 72 | 0.5% |
COPD | 76 | 5.3% | 364 | 2.6% |
Renal failure | 45 | 3.1% | 138 | 1.0% |
Cancer | 27 | 1.9% | 127 | 0.9% |
Autoimmune disease | 12 | 0.8% | 66 | 0.5% |
Drug exposure in the 1 year prior to cohort entry | ||||
Oral prednisone use | 155 | 10.8% | 858 | 6.1% |
Antibiotics | 1019 | 70.8% | 5369 | 38.1% |