* Additional Data for CD4;

data cd4x;



  seq  randgrp  stratum  visit  notbase  cd4  sqrtcd4  unit  visitm2

--------------------------------------------------------------------

 1000     1        1        0      0      .      .       .       0

 1000     1        1        2      1      .      .       .       0

 1000     1        1        6      1      .      .       .       4

 1000     1        1       12      1      .      .       .      10

 1000     1        1       18      1      .      .       .      16

 1001     1        2        0      0      .      .       .       0

 1001     1        2        2      1      .      .       .       0

 1001     1        2        6      1      .      .       .       4

 1001     1        2       12      1      .      .       .      10

 1001     1        2       18      1      .      .       .      16

 1002     2        1        0      0      .      .       .       0

 1002     2        1        2      1      .      .       .       0

 1002     2        1        6      1      .      .       .       4

 1002     2        1       12      1      .      .       .      10

 1002     2        1       18      1      .      .       .      16

 1003     2        2        0      0      .      .       .       0

 1003     2        2        2      1      .      .       .       0

 1003     2        2        6      1      .      .       .       4

 1003     2        2       12      1      .      .       .      10

 1003     2        2       18      1      .      .       .      16