Skip to main content

Table 3 The laboratory, radiological findings, and pathogenies of 144 hospitalized children with pertussis

From: Mortality risk factors among hospitalized children with severe pertussis

Characteristics Total Survivors Deaths P-value
N = 144 N = 131 N = 13
Number Number Number
Laboratory index     
 PO2 < 60 mmHg 32 27 5 0.260
 PCO2 > 50 mmHg 35 28 7 0.024
 Abnormal WBC      < 0.001
  WBC < 30.0 × 109/L 93 92 1  
  WBC 30.0–50.0 × 109/L 32 31 1
  WBC 50.0–70.0 × 109/L 12 7 5
  WBC > 70.0 × 109/L 7 1 6
  Absolute lymphocyte count > 20 × 109/L 44 34 10  < 0.001
 Hemoglobin < 80 g/L 14 10 4 0.024
 C-reactive protein > 30 mg/L 34 26 8 0.002
 Serum albumin < 35 g/L 27 21 6 0.023
 Lactate dehydrogenase > 500 U/L 14 8 6  < 0.001
 APTT > 50 s 9 4 5  < 0.001
 Aspartate aminotransferase > 100 U/L 7 4 3 0.017
 Creatine kinase-MB fraction > 100 U/L 4 3 1 0.318
 Creatinine > 62 mg/d 3 0 3 0.001
 Alanine aminotransferase > 100 U/L 2 1 1 0.173
Radiological finding     
 X-ray     
  Trachitis 49 49 0 0.005
  Pneumonia 101 88 13 0.010
  Pleural effusion 15 10 5 0.003
  Pneumothorax 2 2 0 1.000
 Echocardiography (ECHO)      < 0.001
  Low pulmonary hypertension 2 0 2  
  Intermediate pulmonary hypertension 5 0 5
  High pulmonary hypertension 6 1 5
Co-infections     
 Pertussis -Virus 43 42 1 0.109
  Respiratory syncytial virus 23 23 0 0.129
  Rhinovirus 10 10 0 0.600
  FA 6 5 1 0.439
  Parainfluenza 4 4 0 1.000
  Adenovirus 0 0 0 1.000
 Pertussis -Bacteria 38 31 7 0.043
  Klebsiella pneumoniae 10 7 3 0.058
  Staphylococcus aureus 10 9 1 1.000
  Haemophilus influenzae 7 5 2 0.122
  Streptococcus pneumoniae 4 3 1 0.318
  Pseudomonas aeruginosa 3 3 0 1.000
  Escherichia coli 2 2 0 1.000
  Acinetobacter baumannii 1 1 0 1.000
  Moraxella catarrhalis 1 1 0 1.000
Pertussis—Mycoplasma pneumoniae 14 11 3 0.117
Pertussis—Chlamydia pneumoniae 5 4 1 0.381