{"doi":"10.1259/bjr.20130358","title":"Femoral neck shaft angle width is associated with hip-fracture risk in males but not independently of femoral neck bone density","abstract":"<jats:sec>\n                  <jats:title>Objective:</jats:title>\n                  <jats:p>To investigate the specificity of the neck shaft angle (NSA) to predict hip fracture in males.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Methods:</jats:title>\n                  <jats:p>We consecutively studied 228 males without fracture and 38 with hip fracture. A further 49 males with spine fracture were studied to evaluate the specificity of NSA for hip-fracture prediction. Femoral neck (FN) bone mineral density (FN-BMD), NSA, hip axis length and FN diameter (FND) were measured in each subject by dual X-ray absorptiometry. Between-mean differences in the studied variables were tested by the unpaired t-test. The ability of NSA to predict hip fracture was tested by logistic regression.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Results:</jats:title>\n                  <jats:p>Compared with controls, FN-BMD (p &amp;lt; 0.01) was significantly lower in both groups of males with fractures, whereas FND (p &amp;lt; 0.01) and NSA (p = 0.05) were higher only in the hip-fracture group. A significant inverse correlation (p &amp;lt; 0.01) was found between NSA and FN-BMD. By age-, height- and weight-corrected logistic regression, none of the tested geometric parameters, separately considered from FN-BMD, entered the best model to predict spine fracture, whereas NSA (p &amp;lt; 0.03) predicted hip fracture together with age (p &amp;lt; 0.001). When forced into the regression, FN-BMD (p &amp;lt; 0.001) became the only fracture predictor to enter the best model to predict both fracture types.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion:</jats:title>\n                  <jats:p>NSA is associated with hip-fracture risk in males but is not independent of FN-BMD.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Advances in knowledge:</jats:title>\n                  <jats:p>The lack of ability of NSA to predict hip fracture in males independent of FN-BMD should depend on its inverse correlation with FN-BMD by capturing, as the strongest fracture predictor, some of the effects of NSA on the hip fracture. Conversely, NSA in females does not correlate with FN-BMD but independently predicts hip fractures.</jats:p>\n               </jats:sec>","journal":"The British Journal of Radiology","year":2014,"id":629964,"datarank":0.5333022092234121,"base_score":3.5553480614894135,"endowment":3.5553480614894135,"self_citation_contribution":0.5333022092234121,"citation_network_contribution":0.0,"self_endowment_contribution":0.5333022092234121,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":34,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1631789,"name":"L Lisi","orcid":null,"position":1,"is_corresponding":false},{"id":1631790,"name":"M Avella","orcid":null,"position":2,"is_corresponding":false},{"id":1631788,"name":"C Ripamonti","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Femoral neck shaft angle width is associated with hip-fracture risk in males but not independently of femoral neck bone density","abstract":"<jats:sec>\n                  <jats:title>Objective:</jats:title>\n                  <jats:p>To investigate the specificity of the neck shaft angle (NSA) to predict hip fracture in males.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Methods:</jats:title>\n                  <jats:p>We consecutively studied 228 males without fracture and 38 with hip fracture. A further 49 males with spine fracture were studied to evaluate the specificity of NSA for hip-fracture prediction. Femoral neck (FN) bone mineral density (FN-BMD), NSA, hip axis length and FN diameter (FND) were measured in each subject by dual X-ray absorptiometry. Between-mean differences in the studied variables were tested by the unpaired t-test. The ability of NSA to predict hip fracture was tested by logistic regression.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Results:</jats:title>\n                  <jats:p>Compared with controls, FN-BMD (p &amp;lt; 0.01) was significantly lower in both groups of males with fractures, whereas FND (p &amp;lt; 0.01) and NSA (p = 0.05) were higher only in the hip-fracture group. A significant inverse correlation (p &amp;lt; 0.01) was found between NSA and FN-BMD. By age-, height- and weight-corrected logistic regression, none of the tested geometric parameters, separately considered from FN-BMD, entered the best model to predict spine fracture, whereas NSA (p &amp;lt; 0.03) predicted hip fracture together with age (p &amp;lt; 0.001). When forced into the regression, FN-BMD (p &amp;lt; 0.001) became the only fracture predictor to enter the best model to predict both fracture types.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion:</jats:title>\n                  <jats:p>NSA is associated with hip-fracture risk in males but is not independent of FN-BMD.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Advances in knowledge:</jats:title>\n                  <jats:p>The lack of ability of NSA to predict hip fracture in males independent of FN-BMD should depend on its inverse correlation with FN-BMD by capturing, as the strongest fracture predictor, some of the effects of NSA on the hip fracture. Conversely, NSA in females does not correlate with FN-BMD but independently predicts hip fractures.</jats:p>\n               </jats:sec>","is_dataset_classified":null,"base_score":3.5553480614894135,"endowment":3.5553480614894135,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"24678889","pmcid":"PMC4075525","openalex_id":"https://openalex.org/W2115306818","authors":[],"funders":[],"total_grants":0,"fwci":1.7092,"citation_percentile":0.82488231,"influential_citations":0,"citation_trend":[{"year":2015,"count":2},{"year":2016,"count":3},{"year":2017,"count":2},{"year":2018,"count":3},{"year":2019,"count":2},{"year":2020,"count":6},{"year":2021,"count":4},{"year":2022,"count":4},{"year":2023,"count":3},{"year":2024,"count":1},{"year":2025,"count":3}],"oa_status":"green","license":"https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model","oa_locations":[{"url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4075525","host_type":"repository"},{"url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4075525","host_type":"repository"},{"url":"https://academic.oup.com/bjr/article-pdf/87/1037/20130358/57383827/bjr.20130358.pdf","host_type":"publisher"},{"url":"https://doi.org/10.1259/bjr.20130358","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/24678889","host_type":"repository"}],"fields_of_study":["Bone health and osteoporosis research","Hip and Femur Fractures","Bone fractures and treatments"],"mesh_terms":["Aged","Femur Neck","Hip Fractures","Humans","Male","Predictive Value of Tests","Retrospective Studies","Sensitivity and Specificity","Absorptiometry, Photon","Bone Density","Spinal Fractures","Risk Assessment"],"keywords":["Femoral neck","Hip fracture","Medicine","Logistic regression","Bone mineral","Hip bone","Bone density","Fracture (geology)","Osteoporosis","Orthodontics","Nuclear medicine","Surgery","Internal medicine"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-05T20:08:40.305165Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}