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Table 1 Epidemiological characteristics between parrot fever cases and non-parrot fever cases

From: Epidemiological and clinical characteristics of psittacosis among cases with complicated or atypical pulmonary infection using metagenomic next-generation sequencing: a multi-center observational study in China

 

Parrot fever cases (%)

Non-parrot fever cases (%)

P value

Average age (SD), year

61.8 (12.6)

54.9 (22.2)

0.003

Age group, year

  

< 0.001

0–18

0

416 (100)

 

19–30

1 (0.4)

252 (99.6)

 

31–50

14 (1.8)

783 (98.2)

 

> 50

81 (2.6)

2998 (97.4)

 

Sex

  

0.043

Male

52 (1.8)

2856 (98.2)

 

Female

44 (2.7)

1593 (97.3)

 

Region

  

< 0.001

Southwestern

50 (3.4)

1415 (96.6)

 

Central and southern

21 (2.7)

759 (97.3)

 

Eastern

18 (1.3)

1366 (98.7)

 

Northern

7 (0.8)

909 (99.2)

 

Seasona

  

< 0.001

Winter-spring

68 (3.6)

1824 (96.4)

 

Summer-autumn

28 (1.1)

2625 (98.9)

 

Specimen type

  

< 0.001

BALF

86 (2.9)

2834 (97.1)

 

Sputum

8 (1.1)

726 (98.9)

 

Peripheral blood

16 (0.9)

1789 (99.1)

 

Othersb

0

361 (100)

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