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Table 2 Clinical manifestations of culture-proven M. pneumoniae infections in 40 patients.

From: Clinical features of culture-proven Mycoplasma pneumoniae infections at King Abdulaziz University Hospital, Jeddah, Saudi Arabia

Variable Frequency (%)
Type of infection:  
   Pneumonia 24 (60)
   Upper respiratory tract infection 14 (35)
   Bronchiolitis 2(5)
Fever: 30 (75)
   Low grade (37.2-38°C) 16 (40)
   Moderate grade (38.1-39°C) 12 (30)
   High grade (>39°C) 2(5)
Chills 3 (7.5)
Malaise 20/34 (58.8)
Pleuritic chest pain 3 (7.5)
Cough:  
   Absent 11(27.5)
   Mild 18(45)
   Moderate 8(20)
   Severe 3 (7.5)
Sputum production1  
   No sputum (dry cough) 11(37.9)
   Mild 12(41.4)
   Moderate 2 (6.9)
   Copious 0
   Unknown (babies) 4(13.8)
Color of sputum:2  
   White 11(78.6)
   Yellow 3 (21.4)
Bronchial breathing3 6(25)
Crepitations 24 (60)
Wheezes 16 (40)
Pleural effusion 3 (7.5)
Abnormal chest x-ray 21 (52.5)
Pattern of chest x-ray abnormalities:4  
Localized infiltrate(s) 11(52.4)
   1 area 5 (23.8)
   2 areas 4(19)
   3 or more areas 2 (9.5)
Bronchopneumonia 5 (23.8)
Bronchiolitis 1 (4.8)
Interstitial infiltrate 2 (9.5)
ARDS5 3 (14.3)
  1. 1 For 29 patients with cough. 2 For 14 patients with productive cough. 3 For 24 patients with pneumonia. 4 For 21 patients with radiologically-confirmed pneumonia. 5 ARDS=Acute respiratory distress syndrome.