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Table 2 Twenty-eight out of 566 low contact stress (LCS) total knee arthroplasties (TKA) in 533 patients who suffered from moderate knee pain were matched to 28 pain-free patients in terms of age, sex and radiological follow-up

From: Radiolucent lines in low-contact-stress mobile-bearing total knee arthroplasty: a blinded and matched case control study

component size patients with knee pain in mobile bearing LCS TKA, n = 28 matched patients without knee pain in mobile bearing LCS TKA, n = 28
Femoral shield   
Large plus 3 3
Large 5 6
Standard plus 8 8
Standard 7 7
Medium 2 2
Small medium 1 0
Small 2 2
Tibial plateau   
7 0 0
6 0 0
5 0 0
4 0 0
3 15 16
2.5 11 10
2 2 2
Inlay size   
15 mm 3 3
12.5 mm 17 16
10 mm 9 8
  1. The sizes of implanted components of the LCS system (DePuy, Warsawa, IN) are listed below for both groups.