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Table 1 Univariate analysis comparing survivors and non-survivors at 30 days from infection onset

From: Bloodstream infections caused by ST2 Acinetobacter baumannii: risk factors, antibiotic regimens, and virulence over 6 years period in China

Variables Nonsurvivor Survivor Univariate analysis
OR (95% CI) P value
Male sex, (%) 78.7 69.7 1.60 (0.64–4.05) 0.315
Age, median (range) 62 (15–89) 55 (18–89) 0.360
Comorbidities, (%)     
 Pneumonia 58.7 60.6 0.92 (0.40–2.13) 0.850
 Diabetes 17.3 6.1 3.25 (0.69–15.31) 0.208
 Liver cirrhosis 4.0 6.1 0.65 (0.10–4.06) 1.000
  Malignant tumor 12.0 12.1 0.99 (0.28–3.47) 1.000
 Trauma 16.0 24.2 0.60 (0.22–1.63) 0.310
ICU stay, (%) 86.7 42.4 8.82 (3.38–23.02) < 0.001
Inpatient days, median (range) 25 (6–155) 35 (12–163) 0.007
Deep vein intubation, (%) 89.3 78.8 2.25 (0.74–6.85) 0.247
Mechanical ventilation, (%) 81.3 60.0 2.49 (1.00–6.22) 0.048
Polymicrobial infection, (%)     
 Fungi 12.0 15.6 0.76 (0.24–2.48) 0.890
 Other bacteria 46.7 51.5 0.82 (0.36–1.87) 0.642
A.baumannii isolated from other sites during hospital stay, (%)     
 Sputum 80.0 78.8 1.08 (0.39–2.95) 0.885
 Cerebrospinal fluid 4.0 3.0 1.33 (0.13–13.31) 1.000
Usage of antibiotic, mean (range), (%)     
 Number of antibiotic classes used 3.16 (1–6) 3.52 (1–5) 0.162
 Empirical antimicrobial therapy before isolating from blood 100 100
 Change antimicrobial within 48 h after isolating from blood 53.3 87.9 0.16 (0.05–0.49)  < 0.001
 Combination therapy 36.0 54.5 0.41 (0.18–0.96) 0.037
Laboratory examination, mean ± SD, (%)     
 White blood cell count (× 109/L) 13.2 ± 9.70 16.0 ± 11.0 0.208
 Leukopenia (< 4 × 109/L) 18.7 6.1 3.56 (0.76–16.65) 0.160
 Hemoglobin (g/L) 90.5 ± 21.4 94.7 ± 19.3 0.328
 Anemia (< 100 g/L) 69.3 60.6 1.47 (0.63–3.45) 0.375
 Platelet count (× 109/L) 123.1 ± 106.7 201.7 ± 104.0  < 0.001
 Thrombocytopenia (< 50 × 109/L) 36.0 6.1 8.72 (1.93–39.30)  < 0.001
  1. Bold values are statistically significant (P < 0.05)