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Hip Outcome Score \u2013 Activities of Daily Living, Hip Outcome Score \u2013 Sports\u2010Specific Subscale, modified Harris Hip Score, International Hip Outcome Tool\u201012, and visual analog scale pain were recorded preoperatively and at final follow\u2010up. Lumbar lordosis (LL), pelvic tilt (PT), sacral slope, and pelvic incidence (PI) were measured on lateral radiographs in standing position. Patients were split into subgroups for individual analyses based on previous literature cutoffs: |PI\u2010LL|&gt; or &lt;10\u00b0, PT&gt; or &lt;20\u00b0, and PI &lt;40\u00b0, 40\u00b0 &lt; PI &lt; 65\u00b0, and PI &gt;65\u00b0. PROs and rate of achievement of patient acceptable symptom state (PASS) were compared between subgroups at final follow\u2010up.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Sixty\u2010one patients who underwent unilateral hip arthroscopy were included in the analysis, and 66% of patients were female. Mean patient age was 37.6 \u00b1 11.3 years, whereas mean body mass index was 25.0 \u00b1 5.7. Mean follow\u2010up time was 27.6 \u00b1 9.0 months. No significant difference in preoperative nor postoperative PROs were appreciated in patients with spinopelvic mismatch (|PI\u2010LL| &gt;10\u00b0) versus those without, whereas patients with mismatch achieved PASS according to the modified Harris Hip Score (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .037) and International Hip Outcome Tool\u201012 (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .030) at greater rates. When we compared patients with a PT \u226520\u00b0 versus PT &lt;20\u00b0, no significant differences in postoperative PROs were present. When we compared patients in the following pelvic incidence groups: PI &lt;40\u00b0, 40\u00b0 &lt; PI &lt;65\u00b0, and PI &gt;65\u00b0, no significant differences in 2\u2010year PROs or rates of PASS achievement for any PRO were appreciated (\n                      <jats:italic>P<\/jats:italic>\n                      &gt; .05 for all).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In this study, spinopelvic parameters and traditional measures of sagittal imbalance did not influence PROs in patients undergoing primary hip arthroscopy for FAIS. Patients with sagittal imbalance (|PI\u2010LL|&gt; 10\u00b0 or PT &gt;20\u00b0) achieved a greater rate of PASS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>IV; Prognostic case series.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.asmr.2022.11.003","type":"journal-article","created":{"date-parts":[[2022,12,23]],"date-time":"2022-12-23T00:33:01Z","timestamp":1671755581000},"update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":14,"title":["Spinopelvic Parameters Do Not Influence Outcomes Following Primary Hip Arthroscopy for the Treatment of Femoroacetabular Impingement Syndrome"],"prefix":"10.1002","volume":"5","author":[{"given":"Derrick M.","family":"Knapik","sequence":"first","affiliation":[{"name":"Section of Young Adult Hip Surgery Division of Sports Medicine Department of Orthopedic Surgery 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