Table 3.

Examples of rephrased questions. Minor modifications of some questions increased retrievals of exact matches of cited references. ^aPOEMs, ^bCATs

Original question	Result before rephrasing question (Citation match/total retrieved)	Rephrased question	Result after rephrasing question (Citation match/total retrieved)
aWhat is the risk that any given mole will become a melanoma?	0/31	What is the risk of any given mole transforming into a melanoma?	1/50
aAre ear temperatures reliable?	0/511	Is measurement of ear temperature reliable?	6/23
bIn children with an acute febrile illness, what is the efficacy of single-medication therapy with acetaminophen or ibuprofen compared with combination therapy combining the two medications in reducing fever while avoiding adverse effects?	0/0	In children with fever, is acetaminophen or ibuprofen alone better than combined, while avoiding adverse effects?	8/25