Der var en rapporteret malign sygdom blandt 77 kontrolpatienter (median opfølgningsperiode 0, 8 år; incidence 1. 3% [95% CI 0, 03% - 7, 0%]).
There was one reported malignancy amongst 77 control patients (median duration of follow-up 0.8 years; incidence 1.3% [95% CI 0.03% - 7.0%]).