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 8

The proportion of radiolucent line widths per femoral zone.

Component	None	<1 mm	1 -2 mm	>2 mm
Femoral: Bone interface, n=18
zone 1	4	5	9	0
zone 4	12	6	0	0
Femoral: cement/prosthesis, n=2
zone 1	2	0	0	0
Component	None	<1 mm	1 -2 mm	>2 mm
Femoral: Bone interface, n=18
zone 1	4	5	9	0
zone 4	12	6	0	0
Femoral: cement/prosthesis, n=2
zone 1	2	0	0	0