Malawian children with chest-indrawing pneumonia with and without comorbidities or danger signs.

Background: Children with comorbidities or danger signs are often excluded from trials evaluating pneumonia treatment.
Methods: We sought to investigate whether the percentage of children with chest-indrawing pneumonia cured at Day 14 was lower among those with HIV infection or exposure, malaria, moderate or severe acute malnutrition, or anemia enrolled in a prospective observational cohort study than among children without these comorbidities enrolled in a concurrent prospective randomized controlled trial evaluating duration of amoxicillin treatment in Lilongwe, Malawi.
Results: Children with chest-indrawing pneumonia and comorbidities but without danger signs did not have statistically significant higher treatment failure rates by Day 6 than those in the chest-indrawing pneumonia clinical trial. However, children with chest-indrawing pneumonia and HIV infection or exposure, malaria, or moderate or severe acute malnutrition had higher rates of not being clinically cured at Day 14 when compared to children without these comorbidities (adjusted differences ranging from 7.7% to 17.0%). Furthermore, among children without danger signs at enrollment, but with HIV infection or HIV exposure or moderate or severe acute malnutrition, 12.5% and 15.6% respectively were not clinically cured at Day 14 even though they were without treatment failure by Day 6.
Conclusions: More intensive follow-up of children with chest-indrawing pneumonia and comorbidities who do not have danger signs may be beneficial.
Competing Interests: Competing interests: The authors completed the ICMJE Unified Competing Interest form (available upon request from the corresponding author), and declare no conflicts of interest.
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