Table 4.
Baseline Demographics in the Patients Included in the Analysis.
| No Change Group (n = 12) | Minimal Change Group (n = 22) | P | |
|---|---|---|---|
| Age, years, mean ± SD | 35.4 ± 9.0 | 32.1 ± 8.5 | 0.2940 |
| Gender, male/female, n | 4/8 | 9/13 | 0.734 |
| Body mass index, kg/m2, mean ± SD | 27.2 ± 4.8 | 26.7 ± 4.0 | 0.7576 |
| Follow-up, years, mean ± SD | 2.3 ± 0.7 | 2.2 ± 0.5 | 0.4543 |
| Defect size, cm2, mean ± SD | 5.9 ± 2.6 | 7.7 ± 5.5 | 0.2864 |
| Number of defects, mean ± SD | 1.7 ± 0.9 | 1.6 ± 0.7 | 0.9151 |
| Worker’s compensation, n (%) | 1 (8.3) | 2 (9.1) | 1.000 |
| Multiple previous surgeries, n (%) | 7 (58) | 9 (41) | 0.475 |
| Defect location, cm2, mean ± SD | |||
| Medial femoral condyle | 3.9 ± 2.2 (n = 3) | 5.6 ± 1.6 (n = 6) | 0.2237 |
| Lateral femoral condyle | n = 0 | 4.3 ± 2.2 (n = 6) | n/a |
| Patella | 3.6 ± 1.7 (n = 9) | 4.7 ± 3.1 (n = 16) | 0.2655 |
| Trochlea | 3.9 ± 1.8 (n = 7) | 4.9 ± 2.8 (n = 7) | 0.4295 |
| Tibia plateau | 1.1 (n = 1) | 1.1 (n = 1) | n/a |
| Concomitant procedure, n (%) | 8 (66.7) | 15 (68.2) | 1.000 |
SD = standard deviation; n/a = not available.