Table 1 Patient characteristics
Characteristics | Blood cultured | |||
|---|---|---|---|---|
Total n = 11.988 | Not blood-cultured n = 6.489* | Non-bacteraemic patients n = 5.081* | Bacteraemic patients n = 418* | |
Age, median 66 years (range 15–103) | ||||
- 15–64 | 5799 | 3442 (59.4) | 2205 (38.0) | 152 (2.6) |
- 65–79 | 2974 | 1447 (48.7) | 1384 (46.5) | 143 (4.8) |
- ≥ 80 | 3215 | 1600 (49.8) | 1492 (46.4) | 123 (3.8) |
Sex | ||||
- Male | 5492 | 2861 (52.1) | 2396 (43.6) | 235 (4.3) |
- Female | 6496 | 3628 (55.8) | 2685 (41.4) | 183 (2.8) |
Body temperature > 38.0 or < 36.0 C° | 2479 | 336 (13.6) | 1892 (76.3) | 251 (10.1) |
Heart rate ≥ 90 bpm | 4530 | 1807 (39.9) | 2473 (54.6) | 250 (5.5) |
Respiratory freq ≥ 20 breaths/minute | 2750 | 848 (30.8) | 1704 (62.0) | 198 (7.2) |
Bloodpressure ≤ 90 mmHg | 322 | 119 (36.9) | 159 (49.4) | 44 (13.7) |
Oxygen saturation ≤ 90% | 565 | 177 (31.3) | 349 (61.8) | 39 (6.9) |
PaO2 ≤ 10.0 kPa | 1883 | 593 (31.5) | 1164 (61.8) | 126 (6.7) |
Leukocyte count ≥ 12.0 or ≤ 4.0 × 109/L | 3904 | 1370 (35.1) | 2285 (58.5) | 249 (6.4) |
Neutrophil count ≥7.0 × 109/L or ≤ 2.0 × 109/L | 6286 | 2633 (41.9) | 3319 (52.8) | 334 (5.3) |
CRP ≥ 10 mg/dL | 6596 | 2218 (33.6) | 3990 (60.5) | 388 (5.9) |
CRP ≥ 100 mg/dL | 2341 | 331 (14.2) | 1733 (74.0) | 277 (11.8) |
Lactate ≥ 2.0 mmol/L | 765 | 282 (36.9) | 422 (55.1) | 61 (8.0) |
pH ≤ 7.35 | 482 | 173 (35.9) | 289 (60.0) | 20 (4.1) |
Creatinine ≥ 177 μmol/L | 868 | 369 (42.5) | 424 (48.9) | 75 (8.6) |
SIRS | ||||
No SIRS | 8141 | 5518 (72.0) | 2506 (32.7) | 117 (1.5) |
SIRS | 3847 | 971 (25.3) | 2575 (66.9) | 301 (7.8) |
Charlson Comorbidity Score | ||||
- 0 | 5510 | 3252 (59.0) | 2106 (38.2) | 152 (2.8) |
- 1 | 2649 | 1423 (53.7) | 1135 (42.9) | 91 (3.4) |
- ≥2 | 3829 | 1814 (47.4) | 1840 (48.0) | 175 (4.6) |