Ontology highlight
ABSTRACT: Background
Breast cancer (BC) prognosis is influenced by hormones, of which progesterone receptor (PR) status is controversial for BC prognosis, possibly related to clinical characteristics.Objective
This study was to determine the impact of PR status on BC prognosis and explore the differences across patient subgroups.Methods
PubMed, Cochrane Library, Embase, and Web of Science were searched for relevant studies until July 2024. NOS (Newcastle-Ottawa Scale) was leveraged for quality appraisal. Meta-analysis was performed using STATA15.1.Results
Thirty-five studies were included, involving 89,164 patients. PR-negative status was associated with worse overall survival compared to PR-positive status (HR 1.70, 95%CI 1.42 to 2.04; p < 0.001). Similar results wer
SUBMITTER: Hou Y
PROVIDER: S-EPMC12490167 | biostudies-literature | 2025 Oct
REPOSITORIES: biostudies-literature