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Vitamin C for preventing and treating pneumonia

  1. Harri Hemilä*,
  2. Pekka Louhiala

Editorial Group: Cochrane Acute Respiratory Infections Group

Published Online: 8 AUG 2013

Assessed as up-to-date: 8 APR 2013

DOI: 10.1002/14651858.CD005532.pub3


How to Cite

Hemilä H, Louhiala P. Vitamin C for preventing and treating pneumonia. Cochrane Database of Systematic Reviews 2013, Issue 8. Art. No.: CD005532. DOI: 10.1002/14651858.CD005532.pub3.

Author Information

  1. University of Helsinki, Department of Public Health, POB 41, Helsinki, Finland

*Harri Hemilä, Department of Public Health, POB 41, University of Helsinki, Mannerheimintie 172, Helsinki, FIN-00014, Finland. harri.hemila@helsinki.fi.

Publication History

  1. Publication Status: New search for studies and content updated (no change to conclusions)
  2. Published Online: 8 AUG 2013

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[Figure 1]
Figure 1. 'Risk of bias' summary
[Figure 2]
Figure 2. Prophylactic effect of vitamin C against pneumonia in three trials
[Figure 3]
Figure 3. Effect of vitamin C on the respiratory symptom score (scale 3 to 10) in Hunt 1994
[Figure 4]
Figure 4. Effect of vitamin C on the duration of hospital stay (days) in Mochalkin 1970
[Analysis 1.1]
Analysis 1.1. Comparison 1 Vitamin C for preventing community-acquired pneumonia, Outcome 1 The number of pneumonia cases during the follow-up.
[Analysis 2.1]
Analysis 2.1. Comparison 2 Vitamin C for treating community-acquired pneumonia, Outcome 1 Change in the severity of pulmonary symptoms (scale 3 to 10).
[Analysis 2.2]
Analysis 2.2. Comparison 2 Vitamin C for treating community-acquired pneumonia, Outcome 2 Mortality of pneumonia patients.
[Analysis 2.3]
Analysis 2.3. Comparison 2 Vitamin C for treating community-acquired pneumonia, Outcome 3 Duration of pneumonia (days).
[Analysis 3.1]
Analysis 3.1. Comparison 3 Vitamin C for preventing hospital-acquired pneumonia, Outcome 1 The number of pneumonia cases during the follow-up.