Table 1 Characteristics of 2638 patients hospitalized with incident Staphylococcus aureus bacteremia in Northern Denmark, 2000-2011
Patients with chronic heart failure | Patients without chronic heart failure | |
|---|---|---|
Numbers (%) | 390 (14.8) | 2248 (85.2) |
Age, median (IQR) | 76.6 (66.9–82.2) | 67.4 (54.4–78.3) |
15–39 years | 12 (3.1) | 221 (9.8) |
40–59 years | 48 (12.3) | 557 (24.8) |
60–79 years | 194 (49.7) | 988 (44.0) |
≥ 80 years | 136 (34.9) | 482 (21.4) |
Sex | ||
Men | 253 (64.9) | 1363 (60.6) |
Women | 137 (35.1) | 885 (39.4) |
S.aureus bacteremia | ||
Community-acquired | 203 (52.1) | 1320 (58.7) |
Healthcare-associated | 187 (48.0) | 928 (41.3) |
MRSA | 3 (0.8) | 10 (0.4) |
Marital status | ||
Married | 203 (52.1) | 1067 (47.5) |
Divorced or widowed | 152 (39.0) | 734 (32.7) |
Never married | 35 (9.0) | 447 (19.9) |
Selected comorbid conditions | ||
Diabetes mellitus | 121 (31.0) | 287 (12.8) |
Peripheral vascular disease | 99 (25.4) | 229 (10.2) |
Cerebrovascular disease | 76 (19.5) | 239 (10.6) |
Chronic pulmonary disease | 120 (30.8) | 243 (10.8) |
Moderate to severe renal disease | 130 (33.3) | 306 (13.6) |
Hypertension | 193 (49.5) | 458 (20.4) |
Conditions related to alcohol abuse | 26 (6.7) | 209 (9.3) |
Conditions related to drug abuse | 4 (1.0) | 69 (3.1) |
Dialysis within 30 days of admission | 61 (15.6) | 203 (9.0) |
Modified Charlson Comorbidity Index | ||
Low (0) | 42 (10.8) | 720 (32.0) |
Intermediate (1–2) | 129 (33.1) | 826 (36.7) |
High (>2) | 219 (56.2) | 702 (31.2) |
Preadmission medication use | ||
Immunosuppressive therapya | 3 (0.8) | 25 (1.1) |
Systemic antibiotic therapya | 82 (21.0) | 454 (20.2) |
ACE inhibitorsb | 298 (76.4) | 788 (35.1) |
Beta blockersb | 271 (69.5) | 764 (34.0) |
Acetylsalicylic acidb | 301 (71.2) | 820 (36.5) |
Statinsb | 174 (44.6) | 451 (20.1) |
Clinical biochemistry | ||
White blood count (109/L)c | ||
< 3.5 | 11 (2.8) | 100 (4.5) |
3.5–10 | 52 (13.3) | 440 (19.6) |
> 10 | 262 (67.2) | 1292 (57.5) |
Unknown | 65 (16.7) | 416 (18.5) |