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Table 2 Clinical characteristics and complications 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
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