12 I retrospektive metaanalyser, som omfattede data fra begge forsøg, blev der påvist en statistisk signifikant generel virkning af behandlingen (p=0, 0076; 8 millioner IE Extavia sammenlignet med alle placebopatienter).
In retrospective meta-analyses including the data of both studies, an overall treatment effect was found which was statistically significant (p=0.0076; 8 million IU Extavia versus all placebo patients).