ICRS grade on second look arthroscopy | Microfracture (n = 57) | No microfracture (n = 30) | p-value | ||
---|---|---|---|---|---|
Preoperative | Postoperative | Preoperative | Postoperative | Â | |
MFC (Grade 0/1/2/3/4) | 0/3/13/21/20 | 3/8/9/15/8/14 | 0/2/7/15/6 | 0/7/15/6/2/0 | Â |
 Improvement/stationary/worsening | 43 (75.4%) / 13 (22.8%) / 1 (1.8%) | 16 (53.3%) / 10 (33.3%) / 4 (13.3%) | 0.014* | ||
MTP (Grade 0/1/2/3/4) | 0/0/18/6/33 | 1/11/22/13/9/1 | 0/5/12/10/3 | 1/11/10/5/3/0 | Â |
 Improvement/stationary/worsening | 35 (61.4%) / 15 (26.3%) / 7 (12.3%) | 15 (50.0%) / 13 (43.3%) / 2 (6.7%) | 0.742* | ||
LFC (Grade 0/1/2/3/4) | 21/32/4/0/0 | 7/38/12/0/0 | 17/10/3/0/0 | 9/18/3/0/0 | Â |
 Improvement/stationary/worsening | 3 (5.3%) / 32 (56.1%) / 22 (38.6%) | 0 (0.0%) / 22 (73.3%) / 8 (26.7%) | 0.674* | ||
LTP (Grade 0/1/2/3/4) | 8/42/7/0/0 | 1/36/18/2/0 | 8/21/1/0/0 | 6/13/11/0/0 | Â |
 Improvement/stationary/worsening | 3 (5.3%) / 33 (57.9%) / 21 (36.8%) | 2 (6.7%) / 16 (53.3%) / 12 (40.0%) | 0.936* | ||
Patella (Grade 0/1/2/3/4) | 15/29/9/2/2 | 1/29/22/4/1 | 9/16/4/1/0 | 4/14/11/1/0 | Â |
 Improvement/stationary/worsening | 4 (7.0%) / 26 (45.6%) / 27 (47.4%) | 3 (10.0%) / 15 (50.0%) / 12 (40.0%) | 0.480* | ||
Trochlea (Grade 0/1/2/3/4) | 7/26/18/5/1 | 2/15/29/9/2 | 9/12/6/3/0 | 2/7/16/5/0 | Â |
 Improvement/stationary/worsening | 4 (7.0%) / 27 (47.4%) / 26 (45.6%) | 4 (13.3%) / 7 (23.3%) / 19 (63.3%) | 0.496* |