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Table 1 Characteristic analysis on M. pneumoniae cases during 2011–2016. Data were represented as n (%) in total cases, and as n (positivity, %) in M. pneumoniae cases

From: Epidemiological characterization of respiratory tract infections caused by Mycoplasma pneumoniae during epidemic and post-epidemic periods in North China, from 2011 to 2016

Characteristic

Total

M. pneumoniae cases

P value

Age, median (IQR)

16 (53)

11 (19)

 

 Children

3983 (50.8)

786 (19.7)

<  0.001

 Adults

3852 (49.2)

341 (8.9)

Gender

  

0.003

 Female

3514 (44.9)

552 (15.7)

 

 Male

4321 (55.1)

575 (13.3)

 

Sample types

  

<  0.001

 Oropharyngeal swab

5196 (66.3)

883 (17.0)

 

 Sputum

2290 (29.2)

225 (9.8)

 

 Balf a

332 (4.2)

19 (5.7)

 

 Others

17 (0.3)

0 (0)

 

Site of care

  

<  0.001

 Outpatients

3427 (43.7)

531 (15.5)

 

 Wards

3771 (48.1)

582 (15.4)

 

 RICU and EICU

357 (4.6)

11 (3.1)

 

 Other ICUs

280 (3.6)

3 (1.1)

 

Total

7835

1127 (14.4)

 
  1. aBalf: bronchoalveolar lavage fluid
  2. P value: statistical analyses were performed within M. pneumoniae cases