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Table 1 Characteristics of children with community-acquired pneumonia (cases) and healthy children (controls), Perth, Western Australia, May 2015 – October 2017

From: Combination of clinical symptoms and blood biomarkers can improve discrimination between bacterial or viral community-acquired pneumonia in children

Parameter Case (%) (N = 230)
Demographic and clinical data
Age
< 12 months 21 (9.1)
1–5 years 126 (54.7)
6–9 years 60 (26.1)
10+ years 23 (10)
Male sex 120 (52.1)
Aboriginal 21 (9.1)
Premature 32 (13.9)
Smoker present in household 38 (16.5)
Existing health conditions
Any co-morbidity 34 (14.7)
Immunodeficiencya 7 (3.0)
immunocompromised condition 5 (2.1)
congenital abnormalityb 17 (7.3)
chronic respiratory illness 9 (3.9)
chronic neuromuscular disorder illness 9 (3.9)
Otherc 1 (0.4)
  1. a: IgG subclass deficiency (n = 1); Low IgA (n = 1); T-cell deficiency (n = 1), Mannose-binding lectin deficiency (n = 2), DiGeorge’s syndrome (n = 2)
  2. b: Capillary malfunction syndrome (n = 1); Beckwith-Wiedemann syndrome and congenital hypothoroidism (n = 2); Atrioventricular septal defect (n = 1); Down syndrome (n = 3); Sotos syndrome (n = 1); Spinal muscular atrophy type 2 (n = 1); Developmental delay (n = 1); Congenital heart disease (n = 2); Prader Willi syndrome (n = 1); Congenital sensorineural deafness (n = 1); Ehlers-Danlos syndrome (n = 1); Gasroschisis (n = 1); Cleft lip (n = 1);
  3. c: Intracranial shunt (n = 1)