Table 1 Comparisons of patient demographics and preoperative deformity data between groups
Expert group (n = 48) | Novice group (n = 29) | p-value | |
|---|---|---|---|
Demographics | |||
Age (years) | 55.8 ± 7.2 | 54.8 ± 6.5 | 0. 528 |
Sex (% female) | 42 (87.5%) | 21 (72.4%) | 0.129 |
BMI (kg/m2) | 25.9 ± 3.8 | 25.1 ± 3.9 | 0.344 |
OA (K-L grade) | 0.300 | ||
≤ 2 | 3 (6.3%) | 5 (17.2%) | |
3 | 42 (87.5%) | 22 (75.9%) | |
4 | 3 (6.3%) | 2 (6.9%) | |
Additional procedures | |||
Partial meniscectomy | 45 (93.8%) | 24 (82.8%) | 0.120 |
Meniscus repair | 2 (4.2%) | 5 (17.2%) | |
Microfractures | 44 (91.7%) | 26 (89.7%) | 0.766 |
Preoperative mechanical axis (°) | Varus 6.8 ± 23.2 | Varus 6.4 ± 2.5 | 0.536 |
Preoperative WBL ratio (%) | 16.3 ± 12.3 | 21.3 ± 11.4 | 0.068 |
Preoperative JLCA (°) | 3.0 ± 1.0 | 2.6 ± 0.7 | 0.069 |
Preoperative MPTA (°) | 83.2 ± 2.0 | 83.3 ± 1.6 | 0.931 |
Preoperative LDFA (°) | 87.5 ± 2.5 | 88.3 ± 1.4 | 0.089 |
Angle to be corrected by the Dugdale method (°) | 10.2 ± 2.7 | 9.7 ± 2.2 | 0.337 |