Table 3.
Summary of the IKDC Knee Examination Form and IKDC-2000 Current Health Assessment Form results
| IKDC Knee Examination Form | |||
|---|---|---|---|
| Characteristics | BiCRI (n = 47) | Microfracture (n = 45) | P value |
| Effusion | |||
| Preoperative (N) | 47 | 45 | 0.14 |
| Normal | 34 (72.3%) | 40 (88.9%) | |
| Nearly normal | 9 (19.1%) | 4 (8.9%) | |
| Abnormal | 4 (8.5%) | 1 (2.2%) | |
| Severely abnormal | 0 | 0 | |
| Month 12 (N) | 46 | 45 | |
| Normal | 42 (91.3%) | 44 (97.8%) | 0.16 |
| Nearly normal | 4 (8.7%) | 1 (2.2%) | |
| Abnormal | 0 | 0 | |
| Severely abnormal | 0 | 0 | |
| Passive motion deficit | |||
| Preoperative (N) | 47 | 45 | 0.35 |
| Normal | 40 (85.1%) | 41 (91.1%) | |
| Nearly normal | 5 (10.6%) | 3 (6.7%) | |
| Abnormal | 0 | 1 (2.2%) | |
| Severely abnormal | 2 (4.3%) | 0 | |
| Month 12 (N) | 46 | 45 | |
| Normal | 46 (100.0%) | 45 (100.0%) | - |
| Nearly normal | 0 | 0 | |
| Abnormal | 0 | 0 | |
| Severely abnormal | 0 | 0 | |
| Ligament examination | |||
| Preoperative (N) | 47 | 45 | 0.02 |
| Normal | 32 (68.1%) | 31 (68.9%) | |
| Nearly normal | 5 (10.6%) | 0 | |
| Abnormal | 10 (21.3%) | 10 (22.2%) | |
| Severely abnormal | 0 | 4 (8.9%) | |
| Month 12 (N) | 46 | 45 | |
| Normal | 44 (95.7%) | 44 (97.8%) | 0.60 |
| Nearly normal | 2 (4.3%) | 1 (2.2%) | |
| Abnormal | 0 | 0 | |
| Severely abnormal | 0 | 0 | |
| Compartment findings | |||
| Preoperative (N) | 47 | 45 | 0.89 |
| Normal | 33 (70.2%) | 33 (73.3%) | |
| Nearly normal | 10 (21.3%) | 8 (17.8%) | |
| Abnormal | 4 (8.5%) | 4 (8.9%) | |
| Severely abnormal | 0 | 0 | |
| Month 12 (N) | 46 | 45 | |
| Normal | 42 (91.3%) | 39 (86.7%) | 0.51 |
| Nearly normal | 3 (6.5%) | 5 (11.1%) | |
| Abnormal | 0 | 5 (11.1%) | |
| Severely abnormal | 1 (2.2%) | 0 | |
| Harvest site pathology | |||
| Preoperative (N) | 47 | 45 | 0.78 |
| Normal | 37 (78.7%) | 36 (80.0%) | |
| Nearly normal | 6 (12.8%) | 7 (15.6%) | |
| Abnormal | 4 (8.5%) | 2 (4.4%) | |
| Severely abnormal | 0 | 0 | |
| Month 12 (N) | 46 | 45 | |
| Normal | 45 (97.8%) | 43 (95.6%) | 0.67 |
| Nearly normal | 1 (2.2%) | 2 (4.4%) | |
| Abnormal | 0 | 0 | |
| Severely abnormal | 0 | 0 | |
| X-ray findings | |||
| Preoperative (N) | 47 | 45 | 0.03 |
| Normal | 42 (89.4%) | 33 (73.3%) | |
| Nearly normal | 4 (8.5%) | 12 (26.7%) | |
| Abnormal | 1 (2.1%) | 0 | |
| Severely abnormal | 0 | 0 | |
| Month 12 (N) | 46 | 45 | |
| Normal | 40 (87.0%) | 39 (86.7%) | 0.54 |
| Nearly normal | 5 (10.9%) | 6 (13.3%) | |
| Abnormal | 1 (2.2%) | 0 | |
| Severely abnormal | 0 | 0 | |
| Functional test | |||
| Preoperative (N) | 47 | 45 | 0.33 |
| Normal | 11 (23.4%) | 16 (35.6%) | |
| Nearly normal | 11 (23.4%) | 11 (24.4%) | |
| Abnormal | 9 (19.1%) | 10 (22.2%) | |
| Severely abnormal | 16 (34.0%) | 8 (17.8%) | |
| Month 12 (N) | 46 | 45 | |
| Normal | 31 (67.4%) | 32 (71.1%) | 0.72 |
| Nearly normal | 11 (23.9%) | 9 (20.0%) | |
| Abnormal | 4 (8.7%) | 3 (6.7%) | |
| Severely abnormal | 0 | 1 (2.2%) | |
| Final evaluation | |||
| Preoperative (N) | 47 | 45 | 0.05 |
| Normal | 19 (40.4%) | 26 (57.8%) | |
| Nearly normal | 13 (27.7%) | 3 (6.7%) | |
| Abnormal | 13 (27.7%) | 12 (26.7%) | |
| Severely abnormal | 2 (4.3%) | 4 (8.9%) | |
| Month 12 (N) | 46 | 45 | |
| Normal | 40 (87.0%) | 43 (95.6%) | 0.15 |
| Nearly normal | 6 (13.0%) | 2 (4.4%) | |
| Abnormal | 0 | 0 | |
| Severely abnormal | 0 | 0 | |
| IKDC 2000 Current Health Assessment Form | |||
|---|---|---|---|
| BiCRI (n = 47) | Microfracture (n = 45) | P valuea | |
| Physical functioning | |||
| Preoperative (N) | 47 | 45 | |
| Mean (SD) | 65.53 (24.896) | 68.44 (22.203) | 0.53 |
| Month 12 (N) | 46 | 45 | |
| Mean (SD) | 94.02 (10.307) | 90.00 (22.335) | |
| Mean change (SD) | 28.70 (24.414) | 21.56 (32.471) | 0.27 |
| P valueb | < 0.0001 | < 0.0001 | |
| Role—physical | |||
| Preoperative (N) | 47 | 45 | |
| Mean (SD) | 25.53 (38.831) | 25.53 (38.831) | 0.78 |
| Month 12 (N) | 46 | 45 | |
| Mean (SD) | 85.87 (28.212) | 85.00 (32.596) | |
| Mean change (SD) | 59.78 (45.789) | 58.33 (51.676) | 0.82 |
| P valueb | < 0.0001 | < 0.0001 | |
| Role—emotional | |||
| Preoperative (N) | 47 | 45 | |
| Mean (SD) | 53.19 (45.926) | 46.67 (44.608) | 0.62 |
| Month 12 (N) | 46 | 45 | |
| Mean (SD) | 94.20 (18.992) | 91.85 (23.736) | |
| Mean change (SD) | 40.58 (49.647) | 45.19 (51.813) | 0.65 |
| P valueb | < 0.0001 | < 0.0001 | |
| Vitality | |||
| Preoperative (N) | 47 | 45 | |
| Mean (SD) | 80.85 (19.981) | 76.56 (24.745) | 0.14 |
| Month 12 (N) | 46 | 45 | |
| Mean (SD) | 86.52 (18.008) | 83.67 (19.926) | |
| Mean change (SD) | 5.43 (15.593) | 7.11 (19.409) | 0.57 |
| P valueb | 0.02 | 0.02 | |
| Mental health | |||
| Preoperative (N) | 47 | 45 | |
| Mean (SD) | 83.51 (18.764) | 79.33 (19.206) | 0.14 |
| Month 12 (N) | 46 | 45 | |
| Mean (SD) | 88.04 (18.089) | 88.33 (16.307) | |
| Mean change (SD) | 4.67 (18.300) | 9.00 (17.825) | 0.06 |
| P valueb | 0.09 | 0.0015 | |
| Social functioning | |||
| Preoperative (N) | 47 | 45 | |
| Mean (SD) | 72.07 (24.618) | 71.94 (22.949) | 0.86 |
| Month 12 (N) | 46 | 45 | |
| Mean (SD) | 94.02 (13.107) | 94.44 (12.657) | |
| Mean change (SD) | 21.74 (23.634) | 22.50 (26.328) | 0.68 |
| P valueb | < 0.0001 | < 0.0001 | |
| Bodily pain | |||
| Preoperative (N) | 47 | 45 | |
| Mean (SD) | 57.21 (20.478) | 58.67 (20.672) | 0.65 |
| Month 12 (N) | 46 | 45 | |
| Mean (SD) | 88.02 (18.249) | 89.49 (19.151) | |
| Mean change (SD) | 30.91 (19.530) | 30.82 (26.262) | 0.67 |
| P valueb | < 0.0001 | < 0.0001 | |
| General health | |||
| Preoperative (N) | 47 | 45 | |
| Mean (SD) | 76.87 (18.986) | 74.42 (23.598) | 0.35 |
| Month 12 (N) | 46 | 45 | |
| Mean (SD) | 85.78 (18.657) | 84.71 (21.114) | |
| Mean change (SD) | 8.70 (15.768) | 10.29 (19.518) | 0.87 |
| P valueb | 0.0005 | 0.0010 | |
P value: Cochran–Mantel–Haenszel test adjusted for the study site for the IKDC Knee Examination Form
P value: ainter-group P value from ANCOVA; bintra-group P value from a paired t-test for the IKDC-2000 Current Health Assessment Form