The treatment(s) (between zero and two) in each record in the search results used to be displayed in the details table for that record in the search results. The details table is by default not displayed in the search results page. MH wanted to put the treatments into the top line of each record in the search results, so that they would be visible at all times.
I edited the php code in searchresults.inc to move the treatments into that top line and then adjusted other bits of code (like colspan arguments) to make the table layout work. I also silghtly rejigged the display of some of the other fields in the display (e.g. move the document id field into the row with the gender, age and socioeconomic status fields).