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Table 1 The radial displacement of medial meniscus at different flexion angles under various loads for all groups (means & SD, mm)

From: Rupture of posterior cruciate ligament leads to radial displacement of the medial meniscus

Flexion angels

Groups

Loading conditions

200 N

400 N

600 N

800 N

1000 N

PCL intact group

1.18(0.12)

1.19(0.14)

1.26(0.19)

1.41(0.19)

1.57(0.20)

ALB rupture group

1.22(0.18)

1.31(0.11)

1.47(0.19)

2.09(0.18)a

2.29(0.18)a

PMB rupture group

2.05(0.13)a,b

2.27(0.11)a,b

2.81(0.11)a,b

3.36(0.12)a,b

3.57(0.17)a,b

PCL rupture group

2.16(0.18)a,b

2.35(0.22)a,b

3.06(0.41)a,b

3.44(0.40)a,b,c

3.89(0.20)a,b,c

30°

PCL intact group

1.23(0.15)

1.37(0.17)

1.44(0.18)

1.61(0.16)

1.77(0.16)

ALB rupture group

3.24(0.21)a

3.63(0.25)a

3.96(0.19)a

4.06(0.36)a

4.16(0.19)a▲

PMB rupture group

1.25(0.19)b

1.41(0.18)b

1.56(0.14)b

2.10(0.19)a,b

2.31(0.29)a▲,b▲

PCL rupture group

3.40(0.24)a,c

3.76(0.19)a,c

4.16(0.17)a,c

4.55(0.22)a,b,c

4.98(0.15)a▲,b▲,c▲

60°

PCL intact group

1.26(0.15)

1.34(0.12)

1.53(0.16)

1.68(0.13)

1.86(0.12)

ALB rupture group

3.72(0.26)a

4.14(0.22)a▲

4.41(0.17)a

4.64(0.24)a

5.09(0.21)a

PMB rupture group

1.36(0.27)b

1.47(0.12)b▲

1.60(0.19)b

2.36(0.21)a,b

2.59(0.19)a,b

PCL rupture group

3.95(0.23)a,c

4.26(0.16)a▲,c▲

4.59(0.22)a,c

5.11(0.30)a,b,c

5.87(0.24)a,b,c

90°

PCL intact group

1.12(0.11)

1.40(0.16)

1.66(0.16)

1.76(0.16)

2.02(0.16)

ALB rupture group

3.60(0.16)a▲

4.03(0.16)a

4.23(0.22)a

4.49(0.20)a

4.92(0.20)a

PMB rupture group

2.21(0.28)a▲,b▲

2.42(0.28)a,b

3.06(0.28)a,b

3.64(0.28)a,b

4.08(0.29)a,b

PCL rupture group

4.64(0.24)a▲,b▲,c▲

4.98(0.24)a,b,c

5.21(0.25)a,b,c

5.47(0.22)a,b,c

5.97(0.15)a,b,c

  1. PCL posterior cruciate ligament, ALB anterolateral band, PMB posteromedial band
  2. Dunnett-T3 test
  3. a P < 0.05 compared with PCL intact
  4. b P < 0.05 compared with ALB rupture
  5. c P < 0.05 compared with PMB rupture