NARA Discovery
NARA Subscribed Scholarly Literature Discovery
Boolean search: climate AND coral · microplastic OR nanoplastic · plastic NOT freshwater · "marine heatwave"
Advanced Search
Topic searches article titles and abstracts. Starts a new search; publisher and year refine it.
Searches article titles and abstracts.
Accepts bare DOI, doi: prefix, or a doi.org URL.
Complete publisher name. Publisher imprints are grouped under their main publisher where applicable.
Exact match by full journal title or ISSN.
Refine Results Clear Filters
Collection
Publisher
Journal
Publication Year
Marcel Winkelmann results 1 · Newest (Page 1/1, per page 25)
Export CSV Export RIS Export current results · up to 5,000 records
Author: Marcel Winkelmann ×Clear All Filters
Search Results
GeroScience · 2025 · Vol. 48 · Issue 2 · Springer
This study aimed to develop a laboratory-based frailty index (FI-Lab) to predict 12-month mortality risk in elderly patients following a hip fracture (HF). A retrospective analysis of 235 consecutive patients over 70 years old, who underwent HF surgery, was conducted. The FI-Lab, based on 21 routine blood parameters, was evaluated using Receiver Operating Characteristics, Area Under the Curve (AUC), Kaplan–Meier curves, and Co...