Skip to main content

Table 2 Optimal operative indications for knee arthroplasty in subjects with G5+G6 (greater than 50% + full thickness) cartilage defect

From: Study of surgical indication for knee arthroplasty by cartilage analysis in three compartments using data from Osteoarthritis Initiative (OAI)

M+L+PF   TKA
M+L   TKA
M+PF (+) lateral factors or ligamentous injury TKA
No lateral factors and no ligamentous injury BKA
L+PF (+) medial factors or ligamentous injury TKA
No medial factors and no ligamentous injury BKA
M (+) lateral factors or ligamentous injury TKA
No lateral factors and no ligamentous injury  
(+) PF factors BKA
(−) PF factors UKA
L (+) medial factors or ligamentous injury TKA
No medial factors and no ligamentous injury
(+) PF factors BKA
(−) PF factors UKA
PF (+) medial and lateral factors TKA
(+) medial or lateral factors w/ ligamentous injury TKA
(+) medial or lateral factors w/o ligamentous injury BKA
No medial and lateral factors non-operation
  1. TKA total knee arthroplasty, BKA bicompartmental knee arthroplasty, UKA unicompartmental knee arthroplasty, G grade, M medial femorotibial compartment, L lateral femorotibial compartment, and PF patellofemoral compartment.