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Table 1 Demographic data of the hospitalized children admitted with ARIs

From: Etiological analysis of virus, mycoplasma pneumoniae and chlamydia pneumoniae in hospitalized children with acute respiratory infections in Huzhou

Variable Total
N = 3121 (%)
Single infection
N = 399 (%)
coinfections
N = 52 (%)
Age groups (years)
 Infants 414 (13.26%) 78 (18.84%) 10 (2.42%)
 Toddlers 969 (31.05%) 126 (13.00%) 13 (1.34%)
 Preschoolers 987 (31.62%) 113 (11.45%) 21 (2.13%)
 Schoolchildren 751 (24.06%) 82 (10.92%) 8 (1.07%)
 Total 3121 399 (12.78%) 52 (1.67%)
 χ2 (P)   17.583 (0.001) 4.980 (0.173)
Gender
 Male 1753 240 (13.69%) 29 (1.65%)
 Female 1368 159 (11.62%) 23 (1.68%)
 χ2 (P)   2.947 (0.086) 0.003 (0.953)
  1. The overall detection rate decreased with the increase of the age of enrolled children infected by single pathogen. There were significant differences in the detection rates of pathogens among the four groups (χ2 = 17.583, p = 0.001), while there was no significant difference in the coinfections among the four groups. There was no difference in different genders in single infection and coinfections