Optimal surgery sequence in the treatment of degenerative hip-spine syndrome: a propensity score-based inverse probability of treatment weighting analysis

Compared to preoperative assessments, both surgical sequences significantly improve postoperative clinical function scores and radiological parameters for patients. When comparing between the two groups, the surgical sequence exhibits equivalent effects on functional improvement and complication rates. The radiological outcomes indicate that the THA→LF group shows more pronounced effects on PT and SS, suggesting a more favorable impact on pelvic alignment in patients undergoing this sequence. The use of the IPTW method successfully eliminates differences in baseline characteristics, enhancing the reliability of the results. Future research is warranted to further explore these findings and their implications for surgical decision-making in HSS patients.