Skip to main content

Table 5 Predictors of bacterial co-infection

From: Bacterial co-infection of the respiratory tract in ventilated children with bronchiolitis; a retrospective cohort study

  Negative (N = 37) Co-infection (N = 63) Low Bacterial Growth (N = 67) P Value** univariate P Value** Multivariate
Age (months) 4.1 ± 5.2 2.3 ± 2.6 3.0 ± 3.4 0.053 0.088
Fever (> 38,5 °C) 0 (0.0%) 3 (4.8%) 1 (1.5%) 0.394  
CRP (mg/l)* 57.6 ± 53.8 97.7 ± 51.8 102.6 ± 69.5 < 0.001 0.001
CRP 0–40 mg/l 21 (56.8%) 9 (14.3%) 12 (17.9%) < 0.001  
40–100 mg/l 9 (24.3%) 28 (44.4%) 23 (34.3%)   
> 100 mg/l 7 (18.9%) 26 (41.3%) 32 (47.8%)   
Leukocytes* (10e9/ml)* 12.58 ± 4,72 14.67 ± 7.25 14.16 ± 6.79 0.085
Neutrophils* (10e9/ml)* 6.38 ± 4,45 8.93 ± 6.50 8.40 ± 6.41 0.048
Two viral infections 4/21 (19.0%) 6/23 (26.1%) 12/43 (27.9%) 0.578  
CXR*** Consolidation 15/36 (19.0%) 25/62 (40.3%) 33/66 (50.0%) 0.896  
Antibiotics before 1st culture 9/34 (75.0%) 21/59 (35.6%) 39/63 (61.9%) < 0.001 0.000
  1. * maximum value
  2. ** negative vs co-infection;- participated in the multivariate analysis, but removed
  3. *** chest x-ray
\