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 Liu1ABE, Ya Gu1CDF, Xin Jin1DF, Wei Tian1BE, Haotian Qi1CD, Yuxi Sun1BF, Gang Li1DF, Hongchuan Wang1BF, Xiang Xiao1DF, Pengfei Li1EF, Yongcheng Hu1AD, Jian Jia1AE*DOI: 10.12659/MSM.932724
Med Sci Monit 2021; 27:e932724
Table 1 The demographic data of the 2 groups.
| Patient characteristics | Robot group (n=18) | Control group (n=15) | t/χ2 | P value |
|---|---|---|---|---|
| Age (year), M±SD | 62.5±8.5 | 61.6±8.4 | t=0.305 | 0.762 |
| Sex, n (%) | χ=0.005 | 0.943 | ||
| Male | 5 (27.8%) | 4 (26.7%) | ||
| Female | 13 (72.2%) | 11 (73.3%) | ||
| VAS | 6.2±1.5 | 6.1±1.4 | t=0.296 | 0.769 |
| Tile classification, n (%) | χ=0.005 | 0.943 | ||
| B | 5 (27.8%) | 4 (26.7%) | ||
| C | 13 (72.2%) | 11 (73.3%) | ||
| Preoperative time (day), M±SD | 5.8±2.7 | 5.6±2.6 | t=0.249 | 0.805 |
| Follow-up time | 15.67±4.4 | 14.80±3.9 | t=0.615 | 0.543 |
| χ – test or chi-squared test; M±SD – mean±standard deviation; n – number of patients; VAS – visual analog scale. | ||||