Looking for "less than current" only makes sense if user can do multiple iso UF sessions in a treatment. And if that's the case, we should be looking at how much time we've already spent doing iso ...
Looking for "less than current" only makes sense if user can do multiple iso UF sessions in a treatment. And if that's the case, we should be looking at how much time we've already spent doing iso UF instead of how much time we've spent in the HD or HDF treatment.