Table 2.
Baseline characteristics of the study groups (group A: bone marrow concentrate (BMC), group B: BMC and adipose graft, BMI: body mass index, LEFS: lower extremity functional scale, NPS: numeric pain scale, SD: standard deviation, KL: Kellgren-Lawrence scale, and ∗indicates a statistically significant difference between groups).
| Group A | Group B | P value | |||
|---|---|---|---|---|---|
| N | Mean (SD) | N | Mean (SD) | ||
| Age | 615 | 54.3 (14.1) | 223 | 59.9 (10.3) | <0.001∗ |
| BMI | 561 | 26.5 (4.4) | 202 | 27 (4.2) | 0.039∗ |
| Baseline LEFS | 335 | 45.3 (15.9) | 119 | 42.8 (14.5) | 0.134 |
| Baseline NPS | 370 | 4.2 (2.4) | 141 | 4.4 (2.4) | 0.350 |
|
| |||||
| Group A | Group B | P value | |||
| N | % | N | % | ||
|
| |||||
| Gender | 616 | 224 | 0.003∗ | ||
| Male | 397 | (64.5) | 119 | (53.1) | |
| Female | 219 | (35.5) | 105 | (46.9) | |
| Grade | 470 | 166 | 0.294 | ||
| KL1 | 223 | (48.5) | 69 | (41.6) | |
| KL2 | 145 | (30.2) | 58 | (34.9) | |
| KL3-4 | 102 | (21.3) | 39 | (23.5) | |
| Procedures per patient | 616 | 224 | <0.001∗ | ||
| 1 (unilateral) | 420 | (68.2) | 102 | (45.5) | |
| 2 (bilateral) | 196 | (31.8) | 122 | (54.5) | |