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. 2021 Jan 18;11(1):e040336. doi: 10.1136/bmjopen-2020-040336

Table 1.

Patient characteristics

Dabigatran (n=45) Nadroparine (n=45) Rivaroxaban (n=48) Total (n=138)
Female, n (%) 26 (58) 31 (69) 30 (63)  87 (63)
Age (year) (±SD) 66±7.9 67±10 65±7.5  66±8.7
Weight (kg) (±SD) 88±12 89±18 90±21  89±17
Fast-track surgery, n (%) 41 (91) 35 (78) 35 (73) 111 (80)
Received new patella, n (%)  7 (16) 10 (22) 16 (33) 33 (24)
History of VTE, n (%)  1 (2.2)  1 (2.2)  2 (4.2)  4 (2.9)
Time to first dose (hours) (±SD)  8.6±2.3  9±2.2  8.8±2.1  8.8±2.2
Presurgery KOOS (±SD)
 Pain (n) 47±15 (32) 48±20 (35) 51±21 (35) 49±19 (102)
 Symptoms (n) 55±16 (32) 49±18 (35) 50±18 (35) 51±17 (102)
 ADL (n) 52±15 (32) 48±19 (35) 56±19 (35) 52±18 (102)
 Sport and recreation (n) 23±25 (29) 24±28 (31) 22±22 (29) 23±25 (89)
 Quality of life (n) 30±12 (31) 30±16 (35) 30±15 (35) 30±14 (101)

ADL, activities of daily living function; KOOS, Knee Injury and Osteoarthritis Outcome Score; VTE, venous thromboembolism.