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Table 1 Key demographics and patient characteristics (combined data for all four 1-week study periods).

From: Mechanisms, molecular and sero-epidemiology of antimicrobial resistance in bacterial respiratory pathogens isolated from Japanese children

 

Number (%) of patients (n = 5592)

Sex

 

   Male

2942 (52.6)

   Female

2625 (46.9)

   Unknown

25 (0.4)

Age (years)

 

   0–2

2245 (40.1)

   >2–5

1363 (24.4)

   >5–10

1557 (27.8)

   >10–16

427 (7.6)

Type of RTI 1

 

   Pneumonia

154 (2.7)

   Bronchitis

1350 (23.4)

   Pharyngitis/laryngitis

1933 (33.5)

   Tonsillitis

409 (7.1)

   Sinusitis

140 (2.4)

   Otitis media

146 (2.5)

   Unspecified upper RTI

814 (14.1)

   Other2

826 (14.3)

   Unknown

2 (0.03)

Antibacterial therapy

 

   Present

2981 (53.3)

   Absent

2611 (46.7)

  1. 1More than one RTI reported in some patients. Percentages are calculated using total number of RTIs (n = 5774).
  2. 2Other infections: acroposthitis; acute gastroenteritis; acute pneumonia; acute rhinitis; adenovirus infection; allergic bronchitis; asthmatic bronchitis; bronchiolitis; allergic/asthmatic bronchitis; cervical lymphadenitis; chlamydial infection; conjunctivitis; cough; enzootic fever; epidemic catarrh; erythema infectiosum; exanthema subitum; haemolytic streptococcal infection; hand, foot and mouth disease; herpangina; lacunar tonsillitis; lateral pharyngitis; mycoplasma infection; mycoplasma pneumonia; parotitis; pertussis; pseudocroup; rhinitis; suppurative tonsillitis; sinobronchitis; tuberculosis; viral infection.
  3. RTI, respiratory tract infection.