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Table 1 Clinical characteristics in patients with Mycoplasma pneumoniae pneumonia and Streptococcus pneumoniae pneumonia on admission*

From: Radiographic features of Mycoplasma pneumoniaepneumonia: differential diagnosis and performance timing

Characteristics

M. pneumoniae

S. pneumoniae

p value

Number

64

68

 

Mean age (range), years

36.6 (18–69)

61.8 (19–86)

<0.0001

Male: Female

34: 30

42: 26

0.3791

Co-morbid illness

15 (23)

33 (48)

<0.0001

PSI risk classes**

   

   I – III

41 (64)

29 (43)

0.0154

   IV

23 (36)

39 (57)

 

   V

0

0

 

WBC mean (/μL)

7,400

13,800

<0.0001

  1. *Data represent the numbers of patients, and numbers in parentheses are percentages.
  2. **PSI, pneumonia severity index.