But changes in data collection starting in 1997 make it hard to compare the figures before and after that year.

She gleefully compared her face, three months after the operation, with a photograph of herself at age 28.

The department will continue to monitor these factors to compare them before and after the speed limit change.

Q. How would you compare the quality of life before and after your paralysis?

This compares with a high of 34,000 immediately after the storm.

Compare the appearance of the potatoes after one, three and five days.

That would compare with gains last year of a little more than 1 percent for the two days after Thanksgiving.

Compare this with Washington's first moves after the gulf war.

When you compare trials before and after the training there is evidence for a forward shift in activated brain area.

By comparing the same patient's numbers before and after treatment, we are effectively using each patient as their own control.