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Continuous variables and relationship with blood culture positivity
| Blood culture + | Blood culture − | p value | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Age (years) | 56.6 | 21 | 54.5 | 18 | 0.4 |
| Days of hospitalization | 15.5 | 30 | 15.8 | 28 | < 0.001 |
| Temperature (°C) | 37.4 | 1 | 37.3 | 1 | 0.02 |
|
Mean blood pressure (mmHg) |
85.3 | 19 | 86.6 | 18 | 0.53 |
| Heart rate (bpm) | 101.9 | 20 | 98.3 | 20 | 0.98 |
| Respiratory rate (bpm) | 20.7 | 7 | 20.5 | 8 | 0.08 |
| WBC (cell/mm3) | 13,783 | 12,000 | 14,308 | 11,700 | 0.32 |
| Rods (%) | 15.1 | 12 | 13 | 8 | 0.27 |
| Pitt score | 0.46 | 0.44 | 0.33 | 0.38 | 0.54 |
