Table 2.
Study Characteristics a
| Lead Author | Age, y Mean ± SD (range) |
Site of Lesion, % | Follow-up, y Mean ± SD (range) |
N | Sex (M/F), n | Prior Cartilage Procedures | Defect Size, cm2, Mean ± SD (range) |
Workers’ Compensation, n (%) |
|---|---|---|---|---|---|---|---|---|
| Minas 20 | 35 ± 9.2 (13-60) a 35.4 ± 10.1 (14-55) b | – | 4.5 ± 2.3 (2-11)
a
4.7 ± 2.5 (2-12) b |
325 | 185/136 | MFX (n = 25) AA (n = 33) Drill (n = 53) |
4.6 ± 2.7 (0.5-21)
a
5.2 ± 3.1 (0.7-16.8) b |
28 (13)
a
24 (22) b |
| Zaslav 41 | 35.5 ± 8.6
a
32.9 ± 7.6 b |
MFC (64-68) LFC (16-18) Troch (16-18) |
3.8 ± 2.4 | 143 | 106/48 | MFX (n = 42) Drill (n = 16) Other (n = 2) AA (n = 9) |
4.7 ± 2.1
a
4.6 ± 4.1 b |
– |
| Riff 33 | 30.4 ± 9.4
a
30.3 ± 9 (14.9-49.9) b |
MFC (29-38) LFC (10-18) Troch (25-28) Pat (19-25) |
3.6 ± 1.7
a
3.9 ± 2.0 b |
192 | 102/90 | BMS | 5.0
a
5.0 b |
24 (25)
a
23 (25) b |
| Müller 23 | 32.9 ± 11.8 (16-55)
a
39.1 ± 10 (19-53) b |
Femoral (50-55) Pat (40-45) Troch (5) |
3 | 40 | 14/26 | BMS | 5.4 ± 2.6 (2-15)
a
4.8 ± 2 (2-10) b |
– |
| Pestka 32 | 33.6 ± 10.1 (19.2-54.2)
a
34.1 ± 9 (14.8-45.8) b |
MFC (57.1) LFC (7.1) Troch (2) Pat (10.7) |
3.5 ± 1.4 (1.3-7)
a
4 ± 1.4 (1.3-6.3) b |
55 | 32/24 | MFX (n = 28) | 4.7 ± 1.6 (2.5-9.0)
a
4.6 ± 2.7 (1.5-7.5) b |
– |
| Jungmann 15 | 34.9 ± 9.0 | – | 4.4 ± 0.9 (2-11.8) | 383 | 237/176 | BMS | 5.6 ± 3.0 | – |
| Ogura 26 | 36.6 ± 9.2 (16-55) | Bipolar PF (100) | 8.8 ± 4.2 (2-16) | 60 | 34/22 | BMS | 10.2 ± 4.1 (2.7-19.7) | – |
| Beck 4 | 18.3 ± 0.2 (15-22) | MFC (60) LFC (40) |
12 ± 4.5 | 10 | 5/5 | BMS | 9.1 ± 2.0 (2.3-24) | – |
| Ogura 29 | 35.4 ± 10.4 (13-52) | – | 20.6 ± 0.3 (20-21) | 24 | 16/7 | BMS | 11.8 ± 8 (2.4-30.5) | 8 (33) |
| Minas 21 | 35.8 ± 9.6 (8-57) | – | 12 ± 2 | 210 | 113/97 | MFX (n = 13) AA (n = 30) Drill (n = 46) |
8.4 ± 5.5 | 46 (22) |
| Pascual-Garrido 31 | 31.8 ± 8.6 | – | 4 (2-7) | 37 | 26/26 | MFX | 4.2 ± 1.6 | – |
a Control group. Dashes indicate data was not available. AA, abrasion arthroplasty; BMS, bone marrow stimulation; LFC, lateral femoral condyle; M/F, male/female; MFC, medial femoral condyle; MFX, microfracture; Pat, patella; PF, patellofemoral; Troch, trochlea.
b BMS group.