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Table 1 Clinical characteristics of included patients

From: Closed suction drainage offers no more clinical benefit than non-drainage after primary total knee arthroplasty with the administration of tranexamic acid in Chinese patients

Parameters

Drainage (n = 100)

Non-drainage (n = 100)

Total (n = 200)

p value

Age, year (range)

75 (65–89)

74.5 (67–84)

75.1 (65–89)

0.575

Gender

 Male

20 (20.0)

22 (22.0)

42 (21.0)

0.728

 Female

80 (80.0)

78 (78.0)

158 (79.0)

 

BMI (kg/m2)

25.25 ± 3.34

24.5 ± 2.38

25.0 ± 3.21

0.322

Hospitalization time (days)

7.0 ± 0.8

6.0 ± 0.8

6.5 ± 0.91

< 0.001

SLR (h)

22.98 ± 1.88

23.00 ± 2.11

22.99 ± 1.99

0.944

  1. Data are shown as mean ± standard deviation or numbers (%)
  2. Abbreviations: BMI body mass index, SLR straight-leg raising