Table 3.

Seroma Onset

Seroma Onset	Group A	Group B	Total	P
Day 3	2	0	2	0.490
Day 5	4	2	6	0.667
Day 7	4	2	6	0.667
Day 9	1	0	1	1
Day 11	1	0	1	1
Day 13	1	0	1	1
Total	13	4	17	0.007

In both Group A (not drained) and Group B (drained), most of the seromas occurred in the first week.