Table 6 Comparison of the number of positions, preparation time of the tunnel and length of the anterolateral approach incision between the 3D printing group and the control group
Group | Tunnel positioning time (seconds) | Length of anterolateral approach incision (cm) | Average number of positions (times) |
|---|---|---|---|
Control group | 262.31 ± 23.08 | 1.84 ± 0.95 | 1.29 ± 0.58 |
3D Printing Group | 210.85 ± 17.73 | 1.86 ± 0.92 | 1.69 ± 0.81 |
T Value | 7.91 | -7.45 | -2.20 |
P Value | P < 0.05 | P > 0.05 | P < 0.05 |