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