The largest proportion of these participants were aged over 75 (70.5%).Table 1 revealed no statistically relevant distinctions between the two groups in terms of gender, comorbidities (hypertension, stroke, diabetes, COPD, cancer), fracture type, fracture site, admission within 48 hours of injury, CRP being higher than 5 mg/dl upon admission, anesthesia technique, surgery type, and preoperative waiting period. Here, CRP is linked to chronic obstructive pulmonary disease.