Table 4: Table showing complications of prosthesis into allograft to form the allograft prosthesis composite (APC) and methods for securing APC to distal host femur. The total cohort included 498 patients with a mean follow up of 8.1 years (range 2 to 16.2 years). The pooled success rate was 81% (95% CI 77%–86%). Success rate: APC not revised. NR: not reported. Study numbers correlate with Table 1.

Study 𝑛 Failed constructsSuccess rateInfectionDislocationAseptic loosening or fracture

130390%1 (3.3%)5 (16.7%)4 (13.3%)
221282%006 (28.6%)
355685%2 (3.6%)4 (7.3%)5 (9.1%)
414478%3 (21.4%)NR1 (7.1%)
515373%1 (6.7%)6 (40%)2 (13.3%)
650884%2 (4%)4 (8%)7 (14.0%)
744491%1 (2.3%)6 (13.6%)3 (6.8%)
8721966%5 (6.9%)8 (11.1)14 Loosening (4), resorption (3), nonunion (2), fracture (4), stem fracture (1)
915287%1 (6.7%)1 (6.7%)1 (6.7%)
10731382%8 (10.9%)011 (15.1%)
1132972%4 (12.5%)NR5 (15.6%)
1222291%1 (4.5%)NR1 (4.6%)
1320195%1 (5.0%)2 (10%)0
1425292%1 (4.0%)NR2 (8.0%)
15371073%3 (8.1%)NR7 (18.9%)
1615567%3 (20%)1 (6.7)4 (20.7%)