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 = 4943)
No drain (n = 1724)
All (n = 6667)
Transfusion, N (%)
1015 (20.53%)
234 (13.57%)
1249 (18.74%)
PLOS (days)
7.00 ± 3.35
6.07 ± 3.06
6.76 ± 3.30