study trt xi ni
 1  beta-blockers   2   43
 1  sclerotherapy   9   42
 1  control  13   41
 2  beta-blockers  12   68
 2  sclerotherapy  13   73
 2  control  13   72
 3  beta-blockers   4   20
 3  control   4   16
 4  beta-blockers  20  116
 4  control  30  111
 5  beta-blockers   1   30
 5  control  11   49
 6  beta-blockers   7   53
 6  control  10   53
 7  beta-blockers  18   85
 7  control  31   89
 8  beta-blockers   2   51
 8  control  11   51
 9  beta-blockers   8   23
 9  control   2   25
10  sclerotherapy   4   18
10  control   0   19
11  sclerotherapy   3   35
11  control  22   36
12  sclerotherapy   5   56
12  control  30   53
13  sclerotherapy   5   16
13  control   6   18
14  sclerotherapy   3   23
14  control   9   22
15  sclerotherapy  11   49
15  control  31   46
16  sclerotherapy  19   53
16  control   9   60
17  sclerotherapy  17   53
17  control  26   60
18  sclerotherapy  10   71
18  control  29   69
19  sclerotherapy  12   41
19  control  14   41
20  sclerotherapy   0   21
20  control   3   20
21  sclerotherapy  13   33
21  control  14   35
22  sclerotherapy  31  143
22  control  23  138
23  sclerotherapy  20   55
23  control  19   51
24  sclerotherapy   3   13
24  control  12   16
25  sclerotherapy   3   21
25  control   5   28
26  sclerotherapy   6   22
26  control   2   24
