Table 3. Staphylococcus aureus–related hospitalizations, United States, 1999–2000, by patient age*.
| Age (y) | Discharge diagnosis |
||||
|---|---|---|---|---|---|
| S. aureus (%) | S. aureus rate† | MR (%) | MRSA rate† | MRSA RR (95% CI) | |
| <14 | 6.7 | 8.08 | 16.2 | 1.31 | Referent |
| 15–44 | 19.6 | 5.69 | 29.3 | 1.67 | 1.2 (0.94–1.6) |
| 45–64 | 23.1 | 9.74 | 39.1 | 3.81 | 2.9 (2.2–3.8) |
| >65 | 50.6 | 11.76 | 54.1 | 6.36 | 4.8 (3.7–6.2) |
*MR, methicillin resistant; MRSA, methicillin-resistant S. aureus; RR, relative risk; CI, confidence interval. †Rate, hospitalizations with S. aureus or MRSA-related discharge diagnoses per 10,000 discharges.