Patients risk for mortality at 90 days after proximal femur fracture - a retrospective study in a tertiary care hospital.

"Declarations Ethics approval and consent to participateAn ethics approval for this study was obtained from the Ethics Committee of Technical University of Dresden in 2021 (BO-EK 189032021; Ethikkommission an der TU Dresden, Fiedlerstr. 33, 01307 Dresden, Germany). Due to the retrospective evaluation of routine medical data without any influence on treatment, no informed consent was necessary, according to § 29 paragraph 1 of the saxony hospital act (Sächsisches Krankenhausgesetz). This section allows hospital staff to analyze routine patient data for research purposes without prior informed consent. This was confirmed by the Ethics Committee. Consent to publishNot applicable. Competing interestsAP is leading part of the ComGen board of the German Arthroplasty Society (AE) and received support of Mathys and B. Braun Aesculap. CK received grants from the ADAC Stiftung - advancement in eCall, participates on the advisory board of CSL Behring- Fibrogrammin advisory board, Johnson& Johson-advisory board trauma and Siemens Health Care - Imagingin Trauma and is leading part of AO Trauma Germany. JL received grants from B.Braun Aesculap, Link, Mathys, Smith&Nephew and ZimmerBiomet, participates in the advisory board of the German Arthroplasty Society (AE) and German Arthroplasty Registry (EPRD) and is leading part of the German Arthroplasty Society (AE) and German Arthroplasty Registry (EPRD). Competing interests AP is leading part of the ComGen board of the German Arthroplasty Society (AE) and received support of Mathys and B. Braun Aesculap. CK received grants from the ADAC Stiftung - advancement in eCall, participates on the advisory board of CSL Behring- Fibrogrammin advisory board, Johnson& Johson-advisory board trauma and Siemens Health Care - Imagingin Trauma and is leading part of AO Trauma Germany. JL received grants from B.Braun Aesculap, Link, Mathys, Smith&Nephew and ZimmerBiomet, participates in the advisory board of the German Arthroplasty Society (AE) and German Arthroplasty Registry (EPRD) and is leading part of the German Arthroplasty Society (AE) and German Arthroplasty Registry (EPRD)."

"Funding Open Access funding enabled and organized by Projekt DEAL. There was no funding for this study. Open Access funding enabled and organized by Projekt DEAL."