From: Total knee Arthroplasty: risk factors for allogeneic blood transfusions in the South Asian population
Variable
Categories
Percentage (%)
Gender
Male
21.9
Female
78.1
No. of co-morbidities
0
29.8
1–2
63.4
≥3
6.84
ASA
Low risk (1–2)
77.5
High risk (3–4)
22.5
Type of Surgery
Unilateral
41.3
Bilateral
58.7
Transfusions
Received
25.1