Table 1.
Demographic and surgery details
| Template group (n = 22) | Conventional group (n = 18) | P value | |
|---|---|---|---|
| Sex | Male 11, Female 11 | Male 10, Female 8 | 0.726* |
| Age (years) | 51.7 ± 15.2 | 50.1 ± 13.7 | 0.728# |
| Time from injury-to-surgery (days) | 5.4 ± 2.0 | 4.1 ± 2.0 | 0.049# |
| AO/OTA classification of sacrum | 0.723** | ||
| 54B | 7 | 4 | |
| 54C | 15 | 14 | |
| Posterior pelvic ring disruption, n (%) | 1.000** | ||
| SI dislocation | 3 (13.6%) | 2 (11.1%) | |
| Denis zone I fracture | 8 (36.4%) | 7 (38.9%) | |
| Denis zone II fracture | 11 (50.0%) | 9 (50.0%) | |
| Number of screws | 0.954* | ||
| S1 | 20 | 16 | |
| S2 | 18 | 14 | |
| Operation time (min) | < 0.001# | ||
| S1 | 18.7 ± 4.3 | 39.8 ± 10.6 | |
| S2 | 17.1 ± 4.7 | 39.6 ± 11.1 | |
| Average | 17.9 ± 4.5 | 39.7 ± 10.7 | |
| Radiation exposure (cGy/cm2) | < 0.001# | ||
| S1 | 755.2 ± 239.5 | 1852.1 ± 844.5 | |
| S2 | 729.1 ± 226.5 | 1963.3 ± 872.3 | |
| Average | 742.8 ± 230.6 | 1904.0 ± 844.5 |
P value < 0.05 considered statistically significant
*Pearson chi-squared test
**Fisher’s exact test
# Two independent samples Student’s t-test
SI sacroiliac joint
Values are presented as the mean ± standard deviation, unless otherwise indicated