Clinical Factors and Outcomes of Atypical Meningioma: A Population-Based Study.

ABSTRACT:

Objective

Atypical meningioma is a non-benign tumor, and its prognostic factors and treatment strategies are unclear.

Methods

Patients with atypical meningioma, between 2004 and 2016, were collected from the Surveillance, Epidemiology, and End Results database. Then, we randomly divided patients into a training set and a validation set at a ratio of 8:2. The nomogram was constructed based on the multivariate Cox regression analyses. And the concordance index, calibration curves, and receiver operating character were used to assess the predictive ability of the nomogram. We divided the patient scores into three groups and constructed a survival curve using Kaplan-Meier analysis.

Results

After our inclusion and exclusion criteria, 2358 patients were histologically diagn

SUBMITTER: Zhang GJ 

PROVIDER: S-EPMC8187879 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature