Table 2 Categorical baseline characteristics of participants in the study [n (%)]. Categorical variables are presented as numbers and percentages n (%). The Chi-square test was used for statistical analysis of categorical data. MP, Mycoplasma pneumoniae; RSV, respiratory syncytial virus; ADV, adenovirus; PIV, human parainfluenza viruses; FLUA, influenza virus A.

From: Using random forest and biomarkers for differentiating COVID-19 and Mycoplasma pneumoniae infections

Variables

Total

(n = 214)

COVID-19

(n = 52)

MP

(n = 140)

Co-infected (n = 22)

X2-test

P-value

Sex

0.299

0.861

 Female

95 (44.4)

22 (42.3)

64 (45.7)

9 (40.9)

  

 Male

119 (55.6)

30 (57.7)

76 (54.3)

13 (59.1)

  

RSV

4.820

0.090

 Negative

193 (90.2)

49 (94.2)

122 (87.1)

22 (100.0)

  

 Positive

21 (9.8)

3 (5.8)

18 (12.9)

0 (0.0)

  

ADV

2.504

0.286

 Negative

176 (82.2)

41 (78.8)

119 (85.0)

16 (72.7)

  

 Positive

38 (17.8)

11 (21.2)

21 (15.0)

6 (27.3)

  

PIV

4.676

0.097

 Negative

194 (90.7)

51 (98.1)

123 (87.9)

20 (90.9)

  

 Positive

20 (9.3)

1 (1.9)

17 (12.1)

2 (9.1)

  

FLUA

13.547

< 0.001

 Negative

178 (83.2)

49 (94.2)

107 (76.4)

22 (100.0)

  

 Positive

36 (16.8)

3 (5.8)

33 (23.6)

0 (0.0)