ADAMTS13 and cancer: To further illustrate additivity of both factors in a multivariable Cox regression analysis it could be demonstrated that cancer patients with VWF > 75th percentile and concomitantly low (<25th percentile) or medium (25‐75th percentile) ADAMTS‐13 values had the highest probability of mortality (HR 4.31 and 4.75, respectively) (Table 4).