Do WashU or Vanderbilt med schools give preference to their own undergraduates?

Here is Vanderbilt’s 2019 annual report, you can get numbers on Vanderbilt premed to Vanderbilt medical school matriculation from here. Seems on an average between 2017-2019, about 25 accepted off 165 Vanderbilt premed grads applied each year. Vanderbilt MD school acceptance rate is <2%, instate acceptance rate is about 4+%, OOS is at <2%. You can use these numbers to compare against Vanderbilt premed to Vanderbilt medical school matriculation rate.