Research Article

Molecular Epidemiology and Clinical Features Analysis of Respiratory Adenovirus Infections Reveals Correlations between Genotype, Inflammatory Biomarkers, and Disease Severity

Table 2

Demographics and clinical features of hospitalized children with adenovirus infection.

CharacteristicAll patients ()
Nonsevere infection ()Severe infection ()

Male sex40 (71.4)20 (71.4)1.00
Median age, month (range)33.7 (4.8-111)16.1 (3.2-58.7)0.001
Fever duration days (range)6.7 (1-21)12.9 (3-34)<0.001
Median peak temperature, °C0.175
Respiratory symptoms
 Cough43 (76.8)26 (92.8)0.07
 Rhinorrhea18 (32.1)5 (17.8)0.166
 Tachypnea/dyspnea12 (21.4)22 (78.6)<0.001
 Pleural effusion3 (5.3)15 (53.6)<0.001
 Rales29 (51.8)28 (100)<0.001
Laboratory tests
 WBC, ×109 cells/l0.307
 > cells/l15 (26.8)6 (21.4)0.593
 CRP, mg/l (IQR)29 (44.3–4.6)47.9 (63-18)0.032
 >0.15 mg/l54 (96.4)28 (100)0.311
 >40 mg/l14 (25)12 (42.8)0.095
 PCT, ng/ml (IQR)0.77 (0.72–0.11)4.39 (4.07–0.87)<0.001
 >0.05 ng/ml51 (91.1)27 (96.4)0.658
 >0.5 ng/ml18 (32.2)24 (85.7)<0.001
Outcomes
 Hospitalized duration days (range)10.2 (3 - 36)20.2 (3 - 84)<0.001
 Intensive care required21 (37.5)26 (92.8)<0.001
 Mechanical ventilationNone15 (53.6)<0.001
 DeathNone4 (14.3)<0.001

Values are no. (%) of patients or , unless otherwise indicated. Range: extreme values at both ends; IQR: interquartile range; WBC: whole blood cell; CRP: C-reactive protein; PCT: procalcitonin.