1.   Are judged by informed observers to be substantially better than comparable groups.

2.   Sensitive indicators of renal function in a group of patients maintained on long term, delayed release mesalazine and a comparable group on sulphasalazine have been studied.

3.   We have therefore studied sensitive indicators of renal function in a group of patients maintained on long term, delayed release mesalazine and a comparable group maintained on sulphasalazine.

4.   Interestingly, oral adjunctive treatment with tobramycin results in significant clinical improvement in patients with ulcerative colitis compared with a comparable group of patients given placebo.

5.   A comparable group of men given a selenium-poor diet reported feeling worse.

6.   In a case-control study, researchers compare factors found among people with a certain disease to factors among a comparable group of people without that disease.

7.   In only two of the last five years did it outperform its comparable group, as measured by the Lipper Capital Appreciation Fund Index.

8.   The Irish are more genetically similar than a comparable group of, say Americans, and that makes it easier to home in on particular genes of interest.

9.   Their scores on all the measures included in the study were significantly lower than those of a comparable group of teen-agers who did not fall ill.

10.   Evidence of an iron deficiency was four times greater in the male farm workers than among comparable groups of men in the United States.