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Table 1 Demographic characteristics of hospitalized children with community-acquired pneumonia

From: Annual and seasonal patterns in etiologies of pediatric community-acquired pneumonia due to respiratory viruses and Mycoplasma pneumoniae requiring hospitalization in South Korea

VariablesNo. (%) or mean ± SD
Number30,994
Age (mo), mean ± SD41.9 ± 40.8
  < 2 yrs13,527 (43.6)
 2 yrs. ≤ age < 5 yrs9715 (31.3)
 5 yrs. ≤ age < 12 yrs5802 (18.7)
 12 yrs. ≤ age < 18 yrs1950 (6.3)
Sex (male), No. (%)16,929 (54.6)
Incident year, No. (%)30,991 (100.0)
 20104001 (12.9)
 20116427 (20.7)
 20123753 (12.1)
 20132913 (9.4)
 20145702 (18.4)
 20158195 (26.44)
Incident season30,994 (100.0)
 Spring (Mar, Apr, May)7765 (25.1)
 Summer (Jun, Jul, Aug)5124 (16.5)
 Fall (Sep, Oct, Nov)10,065 (32.5)
 Winter (Dec, Jan, Feb)8040 (25.9)
  1. Mo months, n number, SD standard deviation, yrs years