Table 2.
Clinical characteristics and complications of 144 hospitalized children with pertussis
| Characteristics | Total | Survivors | Deaths | P-value |
|---|---|---|---|---|
| N = 144 | N = 131 | N = 13 | ||
| Number | Number | Number | ||
| Clinical symptoms | ||||
| Cough | 141 | 130 | 11 | 0.022 |
| Facial congestion | 113 | 105 | 8 | 0.229 |
| Whoop | 77 | 67 | 10 | 0.088 |
| Cough ≥ 14 days | 71 | 70 | 1 | 0.002 |
| Cyanosis | 65 | 54 | 11 | 0.003 |
| Fever | 46 | 37 | 9 | 0.004 |
| Axillary temperature ≥ 38.5℃ | 23 | 17 | 6 | 0.007 |
| Fever ≥ 5 days | 8 | 8 | 0 | 1.000 |
| Shortness of breath | 40 | 28 | 12 | < 0.001 |
| Fatigue with feeding | 39 | 28 | 11 | < 0.001 |
| Vomiting/diarrhea | 26 | 26 | 0 | 0.126 |
| Altered sensorium | 18 | 10 | 8 | < 0.001 |
| Seizures | 17 | 12 | 5 | 0.008 |
| Apnea | 6 | 4 | 2 | 0.092 |
| Physical exam findings | ||||
| Crackles | 66 | 54 | 12 | 0.001 |
| Wheezing | 33 | 27 | 6 | 0.075 |
| Oxygen saturation < 90% | 31 | 20 | 11 | < 0.001 |
| Heart rate > 180/min(≤ 1 years) or > 160/min(> 1 year) | 29 | 18 | 11 | < 0.001 |
| Respiratory rate > 70/min(≤ 1 years) or > 60/min(> 1 year) | 15 | 5 | 10 | < 0.001 |
| Capillary refilling time(CRT) > 2 s | 15 | 4 | 11 | < 0.001 |
| Decreased breath sounds | 3 | 3 | 0 | 1.000 |
| Complications | ||||
| Pneumonia | 101 | 88 | 13 | 0.010 |
| Respiratory failure | 35 | 22 | 13 | < 0.001 |
| Septic shock | 15 | 5 | 10 | < 0.001 |
| Pleural effusion | 14 | 10 | 4 | 0.024 |
| Pulmonary hypertension | 13 | 1 | 12 | < 0.001 |
| Toxic encephalopathy | 7 | 3 | 4 | 0.001 |
| ARDS | 6 | 0 | 6 | < 0.001 |
| Acute renal failure | 6 | 1 | 5 | < 0.001 |
| Heart failure | 4 | 1 | 3 | 0.002 |
| Pneumorrhagia | 3 | 1 | 2 | 0.022 |