No evidence, but a physical obvious option/possibility.
In case the tent was on the place where it had been found by the first search party, this provides the next option.
In case if two or more group members had stayed in the re-erected tent on one ski-pole (as visible on the photo's made by the first search party),
than under normal weather conditions, one or two group members could easily return to '2nd settlement and Vizhay' and or to the 'Mansi settlement' nearby without leaving hardly any traces in the snow.
This option leaves room for:
1. Yuri Yudin leaving the group from the tent site
2. Semyon leaving the group, while a local 'guide' might be found in the ravine by the second search party
3. An unknown group member had left the tent site - to look for help - and she/he might have survived.
Ad 3. I have always been curious about this photo as mentioned at Dyatlovpass-com.
With a low certainty (less than 10 %), she might have been a 10th group member at the tent site.
Personally, I don't dispose this kind of options on beforehand, because I try to solve the case.
In this case the devil is in the details.