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Table 3 Sensitivity analyses on mesh density for different knee substructures

From: Effects of proximal fibular osteotomy on stress changes in mild knee osteoarthritis with varus deformity: a finite element analysis

Case(s)

Element size (ES) and number of elements (NOE)

% change in peak cartilage contact pressure

Femoral cartilage

Tibial cartilage

Medial meniscus

Lateral meniscus

ES (mm)

NOE

ES (mm)

NOE

ES (mm)

NOE

ES (mm)

NOE

Reference

0.75

35040

0.5

40315

0.5

8725

0.5

12540

–

Case A

0.75

35040

0.5

40315

1

1375

1

1728

1.96

Case B

0.75

35040

1

6092

1

1375

1

1728

2.87

Case C

1

13780

1

6092

1

1375

1

1728

3.98

Case D

1.5

3170

1.5

1260

1.5

435

1.5

495

9.46

Case E

2

1835

2

837

2

228

2

258

14.36