Table 2 Surgical and clinical outcomes
Variables | Group A (n = 25) | Group B (n = 27) | Test value | P value |
|---|---|---|---|---|
Software time (min) | 24.92 ± 3.70 | |||
3D printing time (min) | 125.80 ± 11.06 | |||
Plate preparation time (min) | 10.44 ± 1.69 | |||
Blood loss (ml) | 426.40 ± 141.93 | 555.93 ± 138.28 | t = −3.332 | 0.002 |
Surgical time (min) | 138.64 ± 42.37 | 182.26 ± 47.99 | t = −3.463 | 0.001 |
Instrumentation time (min) | 27.92 ± 10.84 | 48.19 ± 15.96 | t = −5.314 | 0.000 |
Quality of reduction | ||||
Anatomic | 22 (88.0%) | 21 (77.8%) | z = −0.960 | 0.337 |
Imperfect | 2 (8.0%) | 4 (14.8%) | ||
Poor | 1 (4.0%) | 2 (7.4%) | ||
Hip function | ||||
Excellent | 16 (64.0%) | 15 (55.6%) | z = −0.620 | 0.535 |
Good | 7 (28.0%) | 9 (33.3%) | ||
Fair | 1 (4.0%) | 2 (7.4%) | ||
Poor | 1 (4.0%) | 1 (3.7%) | ||
Complications | ||||
Yes | 4 (16.0%) | 7 (25.9%) | χ2 = 0.767 | 0.381 |
No | 21 (84.0%) | 20 (74.1%) | ||
Heterotopic ossification | 2 (8.0%) | 3 (11.1%) | ||
Posttraumatic arthritis | 2 (8.0%) | 3 (11.1%) | ||
Avascular necrosis of femoral head | 0 | 1 (3.7%) | ||