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Table 6 Blood volume collected in the drain over 48 hours adjusted for age (Student’s t test)

From: Thromboprophylaxis with unilateral pneumatic device led to less edema and blood loss compared to enoxaparin after knee arthroplasty: randomized trial

Variable

Group

Total

p

Enoxaparin (n = 72)

Mechanical (n = 73)

(n = 145)

Drain volume (mL)

 mean ± standard deviation

566.1 ± 174.5

420.8 ± 142.5

493 ± 174.6

<  0.001

 median (minimum; maximum)

565 (160; 1000)

400 (150; 900)

480 (150; 1000)