Table 2 Patient characteristics and clinical data
Characteristic | Bacterial infection (n = 61) | Non-bacterial infection (n = 256) | P value |
|---|---|---|---|
Demographics | |||
Sex (male) | 46 (75.4) | 148 (57.8) | 0.013 |
Age (days) | 32.0 (20.0–67.0) | 30.0 (20.0–63.8) | 0.627 |
Body weight (kg) | 5.6 (5.0–6.2) | 5.4 (4.7–6.1) | 0.209 |
Fever onset (h) | 3 (1–7) | 4 (2–10) | 0.930 |
Vital sign | |||
Body temperature (°C) | 38.4 (38.1–38.8) | 38.2 (38.0–38.5) | 0.388 |
SBP (mmHg)a | 92.0 (89.0–106.0) | 89.0 (80.0–101.0) | 0.132 |
DBP (mmHg)a | 61.0 (54.0–68.0) | 55.0 (48.0–65.5) | 0.064 |
Heart rate (/min)a | 178.0 (166.0–189.0) | 173.0 (158.0–190.0) | 0.209 |
Respiratory rate (/min) | 44.0 (40.0–49.5) | 46.0 (40.0–50.0) | 0.418 |
Laboratory test | |||
Hb (g/dL) | 10.4 (9.8–10.9) | 10.6 (9.9–11.4) | 0.063 |
WBC (/uL)a | 13.4 (10.3–18.6) | 11.0 (7.6–14.5) | < 0.001 |
Neutrophil proportion (%) | 51.6 (41.6–59.0) | 39.5 (30.4–50.0) | < 0.001 |
CRP (mg/dL) | 1.9 (1.1–3.8) | 0.4 (0.1–1.2) | < 0.001 |
PCT (ng/mL) | 0.3 (0.2–1.0) | 0.2 (0.1–0.2) | < 0.001 |