Table 3.
Weightbearing Protocols.
| Mfx | AOT | OCA | ACI | |
|---|---|---|---|---|
| Partial weightbearing | 47 studies | 32 studies | 51 studies | 42 studies |
| First week | 26 (55.3%) | 6 (18.8%) | 7 (13.7%) | 17 (40.5%) |
| 1 week | — | 3 (9.4%) | 3 (5.9%) | — |
| 2 weeks | 4 (8.5%) | 6 (18.8%) | 12 (23.5%) | 4 (9.5%) |
| 3 weeks | — | — | — | — |
| 4 weeks | 12 (25.5%) | 3 (9.4%) | 5 (9.8%) | 8 (19.0%) |
| 5 weeks | — | 1 (3.1%) | 1 (2.0%) | — |
| 6 weeks | 5 (10.6%) | 12 (37.5%) | 16 (31.4%) | 13 (31.0%) |
| 8 weeks | — | 1 (3.1%) | 6 (11.8%) | — |
| 12 weeks | — | — | 1 (2.0%) | — |
| Full weightbearing | 43 studies | 30 studies | 44 studies | 40 studies |
| First week | — | — | 2 (4.5%) | 4 (10%) |
| 1 week | — | 3 (10.0%) | 3 (6.8%) | — |
| 2 weeks | 1 (2.3%) | 5 (16.7%) | 10 (22.7%) | — |
| 4 weeks | 2 (4.7%) | 3 (10.0%) | 2 (4.5%) | — |
| 6 weeks | 23 (53.5%) | 13 (43.3%) | 14 (31.8%) | 10 (25%) |
| 7 weeks | 2 (4.7%) | 1 (3.3%) | — | 1 (2.5%) |
| 8 weeks | 15 (34.9%) | 4 (13.3%) | 6 (13.6%) | 8 (20%) |
| 9 weeks | — | — | — | 1 (2.5%) |
| 10 weeks | — | 1 (3.3%) | 1 (2.3%) | 10 (25%) |
| 12 weeks | — | — | 6 (13.6%) | 5 (12.5%) |
| 16 weeks | — | — | — | 1 (2.5%) |
| 18 weeks | — | — | 1 (2.3%) | — |
| Time between partial and full weightbearing | 43 studies | 30 studies | 44 studies | 33 studies |
| 0 week | 2 (4.7%) | 17 (56.7%) | 25 (56.8%) | 4 (12.1%) |
| 2 weeks | 5 (11.6%) | 3 (10%) | 5 (11.4%) | 3 (9.1%) |
| 3 weeks | — | 2 (6.7%) | 1 (2.3%) | — |
| 4 weeks | 12 (27.9%) | 3 (10%) | 5 (11.4%) | 8 (24.2%) |
| 5 weeks | — | — | — | 1 (3.0%) |
| 6 weeks | 14 (32.6%) | 3 (10%) | 5 (11.4%) | 13 (39.4%) |
| 7 weeks | 2 (4.7%) | — | — | — |
| 8 weeks | 8 (18.6%) | 1 (3.3%) | 1 (2.3%) | — |
| 10 weeks | — | — | — | 4 (12.1%) |
| 12 weeks | — | — | 2 (4.5%) | — |
Mfx = microfracture; AOT = osteochondral autograft; OCA = osteochondral allograft; ACI = autologous chondrocyte implantation.