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Table 3 Independent risk factors for severe community-acquired acute lower respiratory infection among hospitalized ≥5 year-old patients, from April 2007 to December 2009, Kampong Cham and Takeo provinces, Cambodia

From: Acute lower respiratory infections in ≥5 year -old hospitalized patients in Cambodia, a low-income tropical country: clinical characteristics and pathogenic etiology

  Severe cases Non-severe cases   
  N = 188 % N = 1716 % Adjusted OR* p value**
Age groups       
 5 - 49 years 130 69.1% 683 39.8% 2.9 <0.001
 >50 years 58 30.9% 1033 60.2% reference  
Pneumonia       
 No cavities 106 56.4% 564 32.9% reference  
 With cavities 15 8.0% 274 16.0% 0.33 0.029
Pleurisy alone 11 5.9% 158 9.2% 0.51 0.133
Sequelae prior infection 14 7.4% 441 25.7% 0.21 <0.001
ALRI with normal CXR 42 22.3% 279 16.3% 0.52 0.018
Neutrophils       
 Normal 75 39.9% 1063 61.9% reference  
 Elevated 106 56.4% 523 30.5% 2.03 0.001
Outcome       
 Improved 132 70.2% 1132 66.0% reference  
 Deceased 17 9.0% 44 2.6% 3.20 0.002
Wheezing       
 No 125 66.5% 1494 87.1% reference  
 Yes 63 33.5% 198 11.5% 2.50 <0.001
Time to admission       
 <5 days 118 62.8% 653 38.1% 2.00  
 ≥5 days 65 34.6% 984 57.3% reference 0.005
  1. *Adjusted by viral etiology, bacterial etiology, antibiotics intake prior admission, time to admission and gender.
  2. **By Wald test.