TABLE 1.
Characteristics of 230 patients with uncomplicated bacteremia, complicated bacteremia, and right- and left-sided S. aureus endocarditis
| Characteristica | Bacteremia
|
Endocarditis
|
||
|---|---|---|---|---|
| Uncomplicated (n = 57) | Complicated (n = 120) | Right sided (n = 35) | Left sided (n = 18) | |
| Median age in yr (range) | 57 (26-87) | 57 (21-88) | 38 (27-91) | 63 (33-90) |
| No. female (%) | 21 (37) | 42 (35) | 19 (54) | 9 (50) |
| No. of patients (%)* of race or ethnic group | ||||
| Caucasian | 36 (63) | 87 (73) | 18 (51) | 13 (72) |
| Black | 12 (21) | 23 (19) | 15 (43) | 4 (22) |
| No. of patients (%)* with risk factor | ||||
| Diabetes mellitus | 22 (39) | 53 (44) | 4 (11) | 5 (28) |
| Systemic inflammatory response syndrome | 42 (74) | 90 (75) | 29 (83) | 14 (78) |
| Injection drug use | 7 (12) | 11 (9) | 28 (80) | 3 (17) |
| Surgery within prior 30 days | 18 (32) | 54 (45) | 5 (14) | 6 (33) |
| Human immunodeficiency virus positive | 2 (4) | 1 (1) | 4 (11) | 0 |
| Intravascular devices | 7 (12) | 25 (21) | 4 (11) | 2 (11) |
| Extravascular foreign material | 13 (23) | 34 (28) | 2 (6) | 8 (44) |
| Creatinine clearance < 50 ml/min | 11 (19) | 21 (18) | 4 (11) | 4 (22) |
| Prior history of endocarditis | 1 (2) | 2 (2) | 6 (17) | 3 (17) |
| Presumed skin source | 25 (44) | 35 (29) | 4 (11) | 1 (6) |
| No. of patients (%) with MRSA infection | 21 (37) | 44 (37) | 15 (43) | 9 (50) |
a
*, percentage of patients within each diagnostic category with the indicated characteristic.