Skip to main content

Table 3 Comparison of viral and/or bacterial infections

From: Co-infection in unvaccinated infants with acute pertussis in Western China (2018–2019): pathogen distribution and impact on disease severity

 

Bacteria co-infection

Virus co-infection

Bacteria-Virus co-infection

P value

96 (55.17%)

42 (24.14%)

36 (20.69%)

Age of onset (day), median (IQR)

72 (17, 340)

71.5 (14, 322)

80 (29, 214)

0.754

Hospital length of stay, median (IQR)

8 (1, 32) a

7 (4, 19) b

10 (3, 32)

0.115

Gender (female, n, %)

44 (45.8%)

12 (28.6%)

18 (50.00%)

0.100

Pertussis Toxin IgG antibodies, IU/ml, median (IQR)

2.66 (0.00, 219.76)

10.11 (0.00, 214.95)

2.57 (0.00, 167.43)

0.610

WBC count, highest cells×103/µL, median (IQR)

15.41 (5.5, 93.52) c

12.67 (4.44, 34.63)

16.03 (7.39, 50.51)

0.059

Lymphocyte count, highest cells×103 /µL, median (IQR)

10.77 (3.92, 43.95) d

8.49 (3.15, 24.66)

12.39 (2.22, 12.39)

0.096

Raised C-reactive protein (n, %)

13 (13.5%)

0 (0.00%)

1 (2.8%)

/

Raised Procalcitonin (n, %), >0.5 ng/ml

7 (7.29%)

0 (0.00%)

2 (5.56%)

/

Highest respiratory rate (breaths/min)

40 (30, 70)

42 (32, 60)

43.5 (31, 68)

0.102

Highest heart rate (beats/min)

130 (112, 168)

132 (115, 159)

130 (118, 163)

0.617

Pneumonia (n, %)

74 (77.1%)

34 (81.0%)

34 (86.1%)

0.505

Severe Pneumonia (n, %)

14 (14.6%)

5 (11.9%)

5 (13.9%)

0.915

Respiratory failure (n, %)

12 (12.5%)

5 (11.9%)

5 (13.9%)

0.964

  1. Table Note: “a” indicates the duration of hospitalization between bacterial and viral infections (P = 0.018), “b” indicates the duration of hospitalization between viral and viral-bacterial co-infections (P = 0.036); “c” indicates the highest peripheral white blood cell count between bacterial and viral infections (P = 0.027); “d” indicates the highest peripheral lymphocyte count between bacterial and viral infections (P = 0.011)