Look at the documentation for the MEANS statement. It says that the output can be displayed in two ways, which you can specify by using: the CLDIFF option or the LINES option. The doc goes on to say:   The CLDIFF option is the default for unequal cell sizes. and The LINES option is appropriate for equal cell sizes, for which it is the default. The LINES option is also the default if ...there are only two cells of unequal size.   It looks like the first data set has unequal cell sizes, where the second data set has equal cell sizes.  You can use the CLDIFF option to force the second output to look like the first.  ... View more