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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

Variables

No. (%) or mean ± SD

Number

30,994

Age (mo), mean ± SD

41.9 ± 40.8

  < 2 yrs

13,527 (43.6)

 2 yrs. ≤ age < 5 yrs

9715 (31.3)

 5 yrs. ≤ age < 12 yrs

5802 (18.7)

 12 yrs. ≤ age < 18 yrs

1950 (6.3)

Sex (male), No. (%)

16,929 (54.6)

Incident year, No. (%)

30,991 (100.0)

 2010

4001 (12.9)

 2011

6427 (20.7)

 2012

3753 (12.1)

 2013

2913 (9.4)

 2014

5702 (18.4)

 2015

8195 (26.44)

Incident season

30,994 (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