Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115311) titled 'The diagnostic and predictive value of preoperative blood gas analysis indicatorsfor postoperative respiratory failure in elderly patients with hip fractures' on Dec. 24, 2025.

Study Type: Diagnostic test

Study Design: Diagnostic test for accuracy

Primary Sponsor: Army Medical Center of PLA

Condition: Femoral neck fracture, intertrochanteric fracture of the femur

Intervention: Gold Standard:Respiratory failurewas defined according to at least one of the following criteria: (1) PaO2 50 mmHg (2) PaO2/FiO2 ratio < 300 (3) SaO2 < 90%. Index test:FiO2(Fraction of Inspired Oxygen) was define as the concentrati...