From: Early and mid-term results with the ATTUNE total knee replacement system compared to PFC Sigma: a prospective comparative study
Zone
ATTUNE (n = 20)
PFC Sigma (n = 24)
1
2 (10%)
5 (21%)
2
6 (30%)
8 (33%)
3
1 (5%)
0 (0%)
4
0
5
6
7