Cumulative Incidence of Revision for a Balanced Knee System at a Mean 8-Year Follow-Up: A Retrospective Review of 500 Consecutive Total Knee Arthroplasties

Table 5

Frequency of radiolucent lines in the femoral zones.

Radiolucent Zones	n (%)
Femoral Bone
zone 1	14 (78%)
zone 2	0
zone 3	0
zone 4	6 (33%)
zone 5	0
zone 6	0
zone 7	0
Femoral cement/prosthesis
zone 1	2 (100%)
zone 2	0
zone 3	0
zone 4	0
zone 5	0
zone 6	0
zone 7	0