Ultra-old patients and long-term survival after hip fracture: a real-world assessment oleh Debora Tiso, Debora Tiso, Monica Pizzonia, Monica Pizzonia, Chiara Giannotti, Chiara Giannotti, Luca Tagliafico, Luca Tagliafico, Alessio Signori, Alessio Nencioni, Alessio Nencioni, Fiammetta Monacelli, Fiammetta Monacelli