From: Closed suction drainage following routine primary total joint arthroplasty is associated with a higher transfusion rate and longer postoperative length of stay: a retrospective cohort study
Drain use (n = 4540)
No drain (n = 1785)
All (n = 6325)
Transfusion, N (%)
684 (15.07%)
120 (6.72%)
804 (12.71%)
PLOS (days)
7.75 ± 3.61
6.54 ± 3.32
7.41 ± 3.57