widely range between 4 and 57 % ( 42,51,56,64 – 71 ) (
Table 2
). Age
appears to exert infl
uence on the adequacy of bowel preparation;
however, the consistency of the data is evident only in the very
elderly. As an example, two small studies found no diff
erence in
either poor or adequate bowel preparations between older ( > 65
years) and younger patients ( 42,51 ), while another found tha