Table 1 Patients background.
Patient and defect characteristics | (Number of subjects with available data) | |||
|---|---|---|---|---|
Total(69) | P-ACI (34) | C-ACI (35) | ||
Mean age (years) | 47.8 (69) | 49.1 (34) | 46.7 (35) | P = 0.2733 (student's t-test) |
Mean body mass index (kg/m2) | 24.5 (69) | 24.5 (34) | 24.5 (35) | P = 0.9969 (student's t-test) |
Gender | ||||
Male | 45% (31) | 41% (14) | 49% (17) | P = 0.6307 (Fisher's exact test) |
Female | 55% (38) | 59% (20) | 51% (18) | |
Disease | ||||
Trauma | 97% (67) | 97% (33) | 97% (34) | P = 1.0000 (Fisher's exact test) |
Osteochondritis dissecans | 3% (2) | 3% (1) | 3% (1) | |
Mean lesion size (cm2/knee) | 5.79 (69) | 5.84 (34) | 5.75 (35) | P = 0.9188 (student's t-test) |
Single lesion | 29% (20) | 26% (9) | 31% (11) | P = 0.7918 (Fisher's exact test) |
Multiple lesion | 71% (49) | 74% (25) | 69% (24) | |
Defect location | 108 | 62 | 46 | |
Medial femoral condyle | 43% (30) | 53% (18) | 34% (12) | |
Lateral femoral condyle | 32% (22) | 44% (15) | 20% (7) | |
Medial Tibial plateau | 4% (3) | 9% (3) | 0% (0) | |
Lateral Tibial plateau | 7% (5) | 12% (4) | 3% (1) | |
Patella | 9% (6) | 9% (3) | 9% (3) | |
Trochlea | 61% (42) | 56% (19) | 66% (23) | |
Concomitant surgical procedures | ||||
Around knee osteotomy | 52% (36) | 50% (17) | 54% (19) | |
High tibial osteotomy | 33% (23) | 35% (12) | 31% (11) | |
Distal femoral osteotomy | 17% (12) | 12% (4) | 23% (8) | |
Double level osteotomy | 1% (1) | 3% (1) | 0% (0) | |
Other cartilage repairs combined with ACI | 77% (53) | 74% (25) | 80% (28) | |
Microfracture | 29% (20) | 18% (6) | 40% (14) | |
Osteochondral autograft Transplantation | 72% (50) | 68% (23) | 77% (27) | |
Meniscus repair | 23% (16) | 29% (10) | 17% (6) | |
Cruciate ligament reconstruction | 10% (7) | 9% (3) | 11% (4) | |
Lateral retinacular release | 22% (15) | 0% (0) | 43% (15) | |