| Methods |
Randomized, double‐blind trial |
| Participants |
294 children under 5 years admitted to hospital with measles in Kenya |
| Interventions |
50,000 IU of vitamin A (retinyl palmitate) to children < 6 months, 100,000 IU to children between 6 to 12 months, and 200,000 IU to children > 12 months in a single dose on admission |
| Outcomes |
Croup, pneumonia, diarrhea, otitis media, death |
| Notes |
Quality score 3 |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Low risk |
Randomized clinical trial using a random numbers table |
| Allocation concealment (selection bias) |
Low risk |
Adequate |
| Blinding (performance bias and detection bias)
All outcomes |
Low risk |
Double‐blinded |
