User blog comment:Xilinoc/Ch. 570 (I can't think of a witty title at 11 pm)/@comment-26420452-20140226162821/@comment-8669536-20140226163237

If that's the case then he would be a Gemischt, otherwise he would be unaffected by Auswählen. And it has been stated that Uryu was the only Gemischt to survive Auswählen.