I also think (but not sure) that they count everyone that started in the study even if they had their band removed for any reason. A few people not losing at all or gaining (from having their band removed) would really skew the numbers.
Just like if you have three people that do 100% and one that does 0% then it looks like a 75% average... but if they took only the people who started and ended banded I think the average would go up.
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Banded - 02/08/06
220/170/125
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