Table 3 Comparison of the baseline, clinical characteristics and laboratory findings between the MP mixed virus and bacteria group.

From: Analysis of the characteristics of mixed infections with Mycoplasma pneumoniae in children

 

aMP + Virus

N = 70

bMP + Bacteria

N = 32

cMP + Virus + Bacteria

N = 41

P

Sex (male)

39 (55.7%)

16 (50%)

28 (68.3%)

Pab = 0.67

Pac = 0.23

Pbc = 0.15

Age (months)

51.8 (3–120)

61.8 (5–144)

54.1 (4–132)

Pab = 0.16

Pac = 0.72

Pbc = 0.33

Macrolide resistance

58 (82.9%)

26 (81.3%)

24 (58.5%)

Pab = 0.52

Pac = 0.007

Pbc = 0.046

Bronchial mucus plug

57 (81.4%)

27 (84.4%)

31 (75.6%)

Pab = 0.79

Pac = 0.48

Pbc = 0.40

SMPP

23 (32.9%)

4 (12.5%)

16 (39%)

Pab = 0.032

Pac = 0.54

Pbc = 0.017

RMPP

17 (24.3%)

8 (25%)

10 (24.4%)

Pab = 0.56

Pac = 0.58

Pbc = 0.58

Fever

59 (84.3%)

30 (93.8%)

30 (73.2%)

Pab = 0.22

Pac = 0.22

Pbc = 0.031

Cough

70 (100%)

32 (100%)

41 (100%)

-

Wheezing

19 (27.1%)

4 (12.5%)

14 (34.1%)

Pab = 0.13

Pac = 0.52

Pbc = 0.054

Fever peak (℃)

39.4 (38–41)

39.1 (38–42)

39.2 (38–41)

Pab = 0.044

Pac = 0.061

Pbc = 0.76

Fever days

6.3 (1–19)

5.6 (1–13)

5.2 (1–12)

Pab = 0.39

Pac = 0.16

Pbc = 0.67

Length of hospital stay (days)

7.4 (2–20)

6.0 (2–12)

6.5 (2–13)

Pab = 0.009

Pac = 0.093

Pbc = 0.46

Complications

25 (27.1%)

8 (34.3%)

16 (39%)

Pab = 0.36

Pac = 0.84

Pbc = 0.22

Hormone use

26 (37.1%)

16 (50%)

12 (29.3%)

Pab = 0.23

Pac = 0.42

Pbc = 0.09

White blood cells

9.7 (3–23)

8.3 (4–16)

9.9 (2–30)

Pab = 0.068

Pac = 0.80

Pbc = 0.132

Percentage of neutrophils

55.6 (16.1–83.7)

52.5 (4.8–79.4)

58.6 (4–91.1)

Pab = 0.43

Pac = 0.36

Pbc = 0.17

C-reactive protein

15.3 (0.1–87)

13.9 (0.06–51)

13.4 (0.6–61)

Pab = 0.65

Pac = 0.56

Pbc = 0.88

Lactate dehydrogenase

332.1 (202–618)

317.5 (210–998)

304.5 (194–996)

Pab = 0.59

Pac = 0.20

Pbc = 0.641

Erythrocyte sedimentation rate

33.6 (5–76)

40.5 (13–80)

40.9 (1–99)

Pab = 0.20

Pac = 0.23

Pbc = 0.96

D-dimer

1.2 (0.06–14.2)

1.0 (0.19–9.8)

0.6 (0.1–4.8)

Pab = 0.60

Pac = 0.10

Pbc = 0.47

  1. SMPP, Sever Mycoplasma pneumoniae pneumonia; RMPP, refractory Mycoplasma pneumoniae pneumonia; Complications, include intra-pulmonary and extra-pulmonary complications.
  2. aOnly MP and Virus.
  3. bOnly MP and Bacteria.
  4. cMP, Virus and Bacteria coinfection.