THE RADIOLOGICAL RISK FACTORS AFFECTING MECHANICAL FAILURE IN THE SURGICAL TREATMENT WITH PROXIMAL FEMORAL NAIL OF INTERTROCHANTERIC FRACTURES IN ELDERLY PATIENTS: A RETROSPECTIVE COHORT STUDY. - AKSOY, Ahmet; ASLAN, Ahmet; AKDENİZ, Hamza Can (Turkish Journal of Geriatrics / Türk Geriatri Dergisi, 2025)