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Table 2 The clinical diagnoses and selected case characteristics for the patients with confirmed influenza.

From: The epidemiology of hospitalized influenza in children, a two year population-based study in the People's Republic of China

Age N Clinical Diagnosis Mean Hospitalization Duration (days) Referral ICU
   Pneumonia Broncho-Pneumonia Asthma with Pneumonia Pharyngitis Other   
0-28 d 10 10      7.5 0
1-2 m 7 1 4 1   1A- 10.6 2
3-5 m 13   8 5    11.2 1
6-11 m 26 3 16 5   2B 9.4 0
12-23 m 13 1 12     9.8 -
24-35 m 20   12 5 1 2C 9.0 0
36-59 m 31 2 20 3 3 3D 9.1 1
Total 120 17 72 19 4 8 9.46 4
  1. Notes: A: Broncho-pneumonia + meningitis
  2. B: Bronchitis
  3. C: URI
  4. D: URI, meningitis, bronchitis for each