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Table 3 Association of clinical variables with laboratory confirmed pertussis

From: Pertussis in infants: an underestimated disease

 

aOR

95 % CI

p

Age

0.995

0.972;1.019

0.68

Male gender

0.406

0.133;1.238

0.11

Cough

1.607

0.413;6.254

0.49

Paroxysmal Cough

7.535

1.495;37.985

0.01

Apnea

1.095

0.285;4.209

0.89

Emesis

0.616

0.128;2.959

0.54

Whoop

3.303

0.363;30.048

0.28

Absence of Fever

15.130

1.337;171.194

0.02

Rhinorrhea

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-

Dyspnea

0.902

0.169;4.827

0.90

WBC >18.000 n/mm3

1.289

0.196;8.487

0.79

L >10.000 n/mm3

21.922

3.368;142.693

0.001

CRP <0.5 mg/dl

0.598

0.149;2.402

0.46

Length of symptoms before admission >5 days

3.782

1.316;10.870

0.01

  1. WBC white blood count, L lymphocyte count, CRP C-reactive protein