Systematic ReviewPublished 9 October 2026Modified frailty index versus risk analysis index for 30-day mortality after noncardiac surgery: a systematic review and meta-analysisXinrui Yin · Shijia DuFrontiers in Medicinedoi 10.3389/fmed.2026.1885620
Original ResearchPublished 9 October 2026Comparison of feasibility, inter-instrument agreement, and prognostic value of four frailty assessment instruments in geriatric colorectal cancer patients: a 3-year multicenter prospective cohort studyLei Ma · Feiyu Shi · Chenhao Hu · Kexue Wang · Lei Zhang · Penghong Qu · Junjun SheFrontiers in Oncologydoi 10.3389/fonc.2026.1878424