Patient Characteristicsa,b | Values |
Demographics |
|
Sex, male/female, n | 8/10 |
Age at surgery, mean ± SD (range), y | 35.4 ± 13.7 (18 - 64) |
Duration of Symptoms, mean (range), m | 62 (8 - 243) |
BMI, mean ± SD (range) | 27.2 ± 4.1 (21.8 - 34.5) |
Follow-up, mean ± SD (range), m | 32.7 ± 9.0 (24 - 48) |
Baseline data |
|
Knee, right/left, n | 8/10 |
Chondral disease classification, bipolar/unipolar, n | 12/6 |
Joint space narrowing, yes/no, n | 9/9 |
Total area treated, mean ± SD (range), cm2 | 5.8 ± 4.4 (0.6 - 14.7) |
Patients with area treated ≤4 cm2/>4 cm2, n | 6/12 |
Lesions treated, mean ± SD (range), n | 3.1 ± 1.7 (1 - 6) |
Lesion characteristicsc |
|
Lesion size, mean ± SD (range), cm2 | 1.9 ± 2.1 (0.2 - 9.1) |
ICRS grade, III/IV, n | 30/25 |
Lesion location, n |
|
Femoral condyle | 25 |
Tibia plateau | 12 |
Patella | 9 |
Trochlea | 9 |