Table 6 Difference in clinical manifestations and laboratory examination between pathogen positive and negative pertussis - like syndrome among those who were B. pertussis negative

age

0.67 ± 1.48

0.69 ± 1.28

−0.064

0.949

Sex M/F

26/46

31/29

3.228

0.080

vaccination

33(45.8%)

24(40%)

0.454

0.597

hospital stay (d)

10.14 ± 3.54

9.63 ± 3.99

0.771

0.442

paroxysmal cough

66(91.6%)

51(85%)

1.444

0.277

apnea

0(0%)

1(1.7%)

1.209

0.455

inspiratory whoop

12(16.7%)

8(13.3%)

0.283

0.634

asphyxia

0(0%)

1(1.7%)

1.209

0.455

turn red in the face

61(84.7%)

48(80%)

0.507

0.498

Severe pneumonia

2(2.8%)

1(1.7%)

0.182

1.000

post-cough vomiting

18(25.0%)

14(23.3%)

0.050

0.842

respiratory failure

1(1.4%)

0(0%)

0.840

1.000

Paroxysmal cyanosis

12(16.7%)

11(18.3%)

0.063

0.822

pertussis encephalopathy

0(0%)

0(0%)

–

–

hyoxemia

3(4.2%)

2(3.3%)

0.062

1.000

pulmonary arterial hypertension

0(0%)

0(0%)

–

–

white blood cell

16.40 ± 10.71

15.39 ± 7.58

0.615

0.540

neutrophil

10.06 ± 7.05

8.47 ± 5.61

1.418

0.159

lymphocyte

4.95 ± 3.95

5.64 ± 4.37

−0.955

0.342

blood platelet

467.56 ± 128.98

440.05 ± 113.91

1.286

0.201

elevated ALT

19(26.4%)

19(31.7%)

0.445

0.565

elevated AST

11(15.3%)

12(20.0%)

0.507

0.498

elevated CRP

5(6.9%)

3(5.0%)

0.217

0.728

elevated CKMB

39(54.2%)

26(43.3%)

1.537

0.227

CD19 + CD23+

14.24 ± 5.98

13.31 ± 6.13

0.865

0.389

CD3

64.70 ± 9.02

65.29 ± 8.65

−0.370

0.712

CD3 + CD4+

40.13 ± 7.99

40.37 ± 9.52

−0.147

0.884

CD3 + CD8+

21.63 ± 5.76

21.74 ± 5.94

−0.095

0.925

CD3-(CD16 + CD56)+

8.40 ± 5.07

8.75 ± 6.59

−0.348

0.729

CD3-CD19+

25.17 ± 9.93

23.87 ± 9.84

0.735

0.464

CD4/CD8

1.99 ± 0.67

2.08 ± 0.98

−0.573

0.567