Table 1.
Demographic and clinical data of study patients.
| Parameter | Non-BSI (n = 124, 64.2%) | BSI (n = 69, 35.8%) | p-value |
|---|---|---|---|
| Nominal/Ordinal | Count (Percentage) | chi-square-test | |
| Male:Female | 83:41 | 45:24 | 0.874 |
| ER:ICU:SC:SC o/h | 6:16:57:45 | 10:9:30:20 | 0.125 |
| Neoplasia | 55 (44.7%) | 27 (39.7%) | 0.544 |
| Antibiotics naivety | 53 (42.7%) | 28 (40.6%) | 0.879 |
| Intubation | 13 (10.5%) | 12 (17.4%) | 0.180 |
| Urinary catheter | 21 (17.2%) | 21 (30.4%) | 0.045 |
| Central venous catheter | 30 (24.2%) | 33 (47.8%) | 0.001a |
| Other catheter types | 20 (16.1%) | 14 (20.3%) | 0.555 |
| Chillsb | 51 (41.1%) | 34 (49.3%) | 0.293 |
| Numeric | Median (Quartile 1- Quartile 3) | Mann-Whitney-U-test | |
| Age | 57.0 (37.0–69.0) | 56.0 (48.0–68.0) | 0.923 |
| BMI | 25.0 (19.5–28.0) | 23.0 (18.0–28.0) | 0.347 |
| Heart beat rate | 100.0 (92.0–106.0) | 100.0 (93.0–113.5) | 0.115 |
| Body temperature | 38.3 (38.1–38.9) | 38.4 (38.1–39.0) | 0.398 |
| MAP | 84.7 (75.9–94.7) | 81.8 (70.0–91.7) | 0.088 |
| Respiration rate | 24.0 (23.0–28.0) | 24.0 (21.0–28.0) | 0.438 |
| Oxygen saturation | 97.0 (94.0–98.0) | 96.0 (91.0–97.0) | 0.123 |
| CRP | 9.6 (5.4–18.6) | 12.1 (5.7–22.5) | 0.564 |
| Neutrophils (%) | 74.3 (49.3–84.8) | 81.2 (60.7–88.2) | 0.047 |
| Lymphocytes (%) | 14.6 (7.4–27.5) | 7.5 (4.9–23.4) | 0.029 |
| N/L ratio | 5.1 (2.4–11.3) | 10.8 (2.8–17.4) | 0.042 |
| White blood cell count | 7.8 (2.1–13.1) | 9.5 (1.5–14.5) | 0.805 |
BSI = bloodstream infection; ER = emergency room; ICU = intensive care unit; SC = standard care wards; SC o/h = standard care wards oncology/hematology; asignificant after applying the Bonferroni-Holm correction; bin 45 cases (non-BSI: n = 27; BSI: n = 18) occurrence of chills was not assessable; BMI = body mass index; MAP = mean arterial pressure; CRP = C-reactive protein; N/L Ratio = neutrophils/lymphocytes ratio.