From: Incidence of bacteremia at the time of ICU admission and its impact on outcome
 | Overall (n= 567) | Blood culture positive (n= 60) | Blood culture negative (n= 507) | P value |
---|---|---|---|---|
Sex, males (%) | 332 (58.6%) | 41 (68.3%) | 291 (57.4%) | 0.137 |
Mean age, years (± SD) | 59.2 ± 8.5 | 59.6 ± 19.4 | 59.2 ± 18.4 | 0.859 |
Mean APACHE II score (± SD) | 16.6 ± 8.5 | 18 ± 9.4 | 16.5 ± 18.4 | 0.184 |
Previous antibiotics | 238 (46.9%) | 48 (80%) | 190 (37.5%) | 0.000 |
Inotropic support | 158 (27.9%) | 35 (58.3%) | 123 (24.3%) | 0.000 |
Renal support | 86 (15.2%) | 19 (31.7%) | 67 (13.2%) | 0.000 |
Mechanical ventilation | 164 (28.9%) | 34 (56.7%) | 130 (25.6%) | 0.000 |
ICU length of stay, days (± SD) | 5.4 ± 5.6 | 5.18 ± 7.4 | 5.4 ± 5.4 | 0.782 |
ICU mortality | 96 (16.9%) | 27 (45%) | 68 (13.4%) | 0.000 |