Table 5 Comparison of preoperative and 12 months postoperative Lachman and axis shift tests in the 3D printing group
Phases | Lachman test | Pivot-shift test | ||
|---|---|---|---|---|
Positive | Negative | Positive | Negative | |
Pre-operative | 27 (80.0%) | 4 (20.0%) | 25 (65.0%) | 6 (35.0%) |
Post-operative 12 months | 0 (0%) | 31 (100%) | 3 (10.0%) | 28 (90.0%) |
χ2 Value | 47.83 | 31.52 | ||
P Value | P < 0.01 | P < 0.01 | ||