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Table 2

From: Statistical methodology for the evaluation of vaccine efficacy in a phase III multi-centre trial of the RTS,S/AS01 malaria vaccine in African children

 

Endpoint

Risk ratio

At least one episode:

   Comparison of proportion affected

   Severe malaria

 

   Incident severe anaemia

 

   Malaria mortality

 

   All cause mortality

 

   Prevalent P. falciparum infection

 

   Prevalent anaemia

Rate ratio

All episodes:

   Negative binomial regression model

   Clinical malaria

 

   Severe malaria

 

   Malaria hospitalization

 

   All cause hospitalization

 

   Sepsis

 

   Pneumonia

Hazard Ratio

First or only episode:

   Cox regression model

   Clinical malaria