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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 4 Post wear surface topography findings

From: The effect of tranexamic acid on artificial joint materials: a biomechanical study (the bioTRANX study)

 

Group

N

Mean

SD

Mean difference

P value (95 % CI)

Plates (PV)

Placebo

3

0.279

0.228

−0.0340

0.856 (−0.5 to 0.4)

TXA

4

0.313

0.240

Plates (rms)

Placebo

3

0.021

0.0075

−0.0115

0.141 (−0.0284 to 0.0054)

TXA

4

0.0325

0.0092

Plates (R a )

Placebo

3

0.019

0.002

−0.007

0.187 (−0.02 to 0.005)

TXA

4

0.026

0.007

Pins (PV)

Placebo

4

3.504

1.780

−1.959

0.195 (−5.24 to 1.32)

TXA

4

5.463

2.010

Pins (rms)

Placebo

4

0.3167

0.199

−0.0715

0.612 (−0.542 to 0.3531)

TXA

4

0.3882

0.2216

Pins (R a )

Placebo

4

0.247

0.119

0.043

0.616 (−0.16 to 0.24)

TXA

4

0.203

0.113

  1. PV Peak-valley ratio (µm), rms root mean square roughness (µm), R a surface roughness average (µm)