<prompt> Rofecoxib as compared to indomethacin is:Less likely to cause gastric ulcer and their complicationsLikely to be more effective in rheumatoid ahritisNot likely to produce renal complicationsAll of the above  <response>: Selective COX-2 inhibitors are less likely to cause GI complications like PUD. However as COX-2 is also present constitutively in the kidney, chances of renal complications are similar. These drugs have similar or less efficacy than non-selective COX inhibitors. 