1.   It is difficult to compare statistical data from different countries.

2.   Interestingly, the dielectric loss appears to match the loss modulus more closely than the loss compliance when data are compared for the same system.

3.   The Mann-Whitney U test was used to compare data between patients and controls.

4.   Some caution should be applied when comparing histological data from the two time periods.

5.   But a problem with the study, Lipshultz said, is that Skakkebaek compared data from one country at one time with data from other countries at other times.

6.   By comparing data from the different cities, the NASA researchers want to better understand how the heating effect differs among different urban landscapes.

7.   Connecticut education officials cautioned against comparing the data, compiled for the first time this year, with statistics for public schools in other states or for the nation.

8.   Data-mining software not only analyzes databases much more precisely than previous software, it also compares data from databases that use different types of fields and terminology.

9.   Definitive data on how well privatization has worked in other cities are difficult to find and, because each city has different problems, comparing data also is difficult.

10.   If sensors were imbedded in buildings, for example, engineers could compare data before and after an earthquake to determine the structural integrity of the building.