You've given textscan directions to read 5 columns where the first two are %u (integers) and the next three are %f64 (doubles). Considering that you are specifying data types per column, Matlab has to give you each column separately. It's standard to put the columns together into a cell array.
You can access row 5 of column 1 by indexing twice as follows:
Does this solve your problem? What else are you trying to do with the data?