My belief going into it is that changing them would have had an impact. The results of both groups I imagine are confounded by the effects of all of those easil

My belief going into it is that changing them would have had an impact. The results of both groups I imagine are confounded by the effects of all of those easily and quickly digestible carbs. To say nothing of the assumption undermining this change that while a calorie may not be a calorie, a gram of protein is a gram of protein and a gram of fat is a gram of fat.