From: The role of suction drainage in the management of peri-operative bleeding in Total and Unicompartmental knee arthroplasty: a retrospective comparative study
Males
Females
Mean Age (SD)
TKA
Without drainage
10
35
73.32 (6.085)
Drainage Group
70.27 (9.027)
UKA
3
24
72.32 (8.027)
8
9
71.84 (8.852)