24 September 2021: Clinical Research
Comparison of Outcomes Following TiRobot-Assisted Sacroiliac Screw Fixation with Bone Grafting and Traditional Screw Fixation without Bone Grafting for Unstable Osteoporotic Sacral Fracture: A Single-Center Retrospective Study of 33 Patients
Zhaojie Liu ABE* , Ya Gu CDF* , Xin Jin DF , Wei Tian BE , Haotian Qi CD , Yuxi Sun BF , Gang Li DF , Hongchuan Wang BF , Xiang Xiao DF , Pengfei Li EF , Yongcheng Hu AD , Jian Jia AE*DOI: 10.12659/MSM.932724
Med Sci Monit 2021; 27:e932724
Table 2 Perioperative clinical indicators of the 2 groups.
| Results | Robot group | Control group | t/χ2 | P value |
|---|---|---|---|---|
| Surgical time (min), M±SD | 17.0±3.0 | 34.5±10.6 | t=−6.712 | 0.000 |
| Fluoroscopy frequency, M±SD | 14.8±2.2 | 28.2±5.8 | t=−9.037 | 0.000 |
| Total drilling times, M±SD | 2.4±0.7 | 4.1±1.2 | t=−4.869 | 0.000 |
| Reduction quality | χ=0.024 | 0.876 | ||
| Anatomical reduction | 14 (77.8%) | 12 (80%) | ||
| lreduction | 4 (22.2%) | 3 (20%) | ||
| VAS at 2 months after surgery | 2.9±1.2 | 4.2±1.4 | t=−2.738 | 0.010 |
| Hospitalization time (day), M±SD | 13.3±4.4 | 15.1±5.5 | t=−1.004 | 0.323 |
| Gras classification evaluation, n (%) | χ=2.836 | 0.092 | ||
| Grade I | 17 (94.4%) | 11 (73.3%) | ||
| Grade II | 1 (5.6%) | 4 (26.7%) | ||
| Healing time(month), M±SD | 4.0±1.1 | 5.2±1.6 | t=−2.280 | 0.031 |
| Majeed score, M±SD | 86.2±5.7 | 80.1±7.6 | t=2.605 | 0.014 |
| χ – test or chi-squared test; M±SD – mean±standard deviation; n – number of patients; VAS – visual analog scale. | ||||