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Table 2 The positivity rate of four viruses in different age groups

From: Epidemiological characteristics of four common respiratory viral infections in children

Virus age (n, %) χ2 P value
ADV 13,375 (13.0) 2601.2 < 0.001
 < 1 year 523 (3.7)   
 1–3 years 3862 (9.8)   
 3–6 years 6107 (18.7)   
 > 6 years 2883 (17.0)   
FLUA 17,509 (18.2) 535.3 < 0.001
 < 1 year 1658 (12.8)   
 1–3 years 6229 (16.8)   
 3–6 years 6135 (20.4)   
 > 6 years 3487 (21.6)   
FLUB 2187 (2.3) 1869.3 < 0.001
 < 1 year 79 (0.6)   
 1–3 years 329 (0.9)   
 3–6 years 707 (2.4)   
 > 6 years 1072 (6.6)   
RSV 7223 (7.0) 2046.6 < 0.001
 < 1 year 1481 (10.6)   
 1–3 years 4016 (10.2)   
 3–6 years 1534 (4.7)   
 > 6 years 192 (1.1)   
Total   1280.7 < 0.001
 < 1 year 3684 (26.3)   
 1–3 years 13,834 (35.0)   
 3–6 years 13,554 (41.4)   
 > 6 years 7283 (43.0)   
  1. ADV adenovirus, FLUA influenza A, FLUB influenza B, RSV respiratory syncytial virus