Table 2. Clinical characteristics of hospitalized patients with S. aureus or other infections.
| Hospital S. aureus cases n = 52 |
Hospital controls a n = 50 |
|
|---|---|---|
| Coexisting medical conditions | n (%) | n (%) |
| Malignancy | 5 (10) | 6 (12) |
| Hydrocephalus | 2 (4) | 3 (6) |
| Bone conditionsb | 23 (44) | 12 (24) |
| Spinal disorder | 7 (13) | 2 (4) |
| Sepsis/UTI | 3 (6) | 11 (22) |
| Pneumonia | 4 (8) | 4 (8) |
| Gastrointestinal | 2 (4) | 10 (20) |
| Otherc | 6 (11) | 2 (4) |
| Immunosuppression or other risk factors | ||
| Active malignancy | 2 (4) | 7 (14) |
| Diabetes | 2 (4) | 2 (4) |
| Elderly | 5 (10) | 7 (14) |
| Steroids | 3 (6) | 1 (2) |
| Hemodialysis | 2 (4) | 1 (2) |
| Cirrhosis | 1 (2) | 0 (0) |
| Otherd | 1 (2) | 1 (2) |
| None | 36 (69) | 31 (62) |
aPathogens isolated from hospital controls: Escherichia coli (25), Pseudomonas aeruginosa (8), Staphylococcus epidermidis (4), Enterococcus species (2), Proteus mirabilis (2), Streptococcus pneumoniae (2), Acinetobacter baumannii (1), Candida albicans (1), Enterobacter species (1), Group G Streptococcus (1), Hemophilus influenzae (1), Klebsiella oxytoca (1), Klebsiella pneumoniae (1). b Bone conditions included osteoarthritis, septic arthritis, bone trauma, hip or knee joint replacements, bone necrosis. c Other Underlying Medical Condition: Cellulitis, Fasciitis, Whipple's Operation, PUO, aortic aneurysm, craniopharyngioma. d Other Immunosuppression or Risk Factor: Organ failure, previous endocarditis.