<HashMap><database>biostudies-literature</database><scores/><additional><omics_type>Unknown</omics_type><volume>50(3)</volume><submitter>Kharel S</submitter><pubmed_abstract>&lt;h4>Objective&lt;/h4>The mean platelet volume (MPV) is a measure of platelet size, and it is considered a surrogate marker of platelet activation. Because the correlation between platelet count/size and lung cancer prognosis remains unclear, this meta-analysis comprehensively evaluated the prognostic significance of MPV among patients with lung cancer.&lt;h4>Methods&lt;/h4>A systematic search of PubMed, Embase, Google Scholar, and additional sources of relevant studies were conducted with no language restrictions from inception to 7 May 2021. Overall survival (OS) and disease-free survival (DFS)/progression-free survival (PFS), as well as their hazard ratios (HR) and 95% confidence intervals (CIs), were pooled to evaluate the relationship between MPV and survival. The study protocol was registered </pubmed_abstract><journal>The Journal of international medical research</journal><pagination>3000605221084874</pagination><full_dataset_link>https://www.ebi.ac.uk/biostudies/studies/S-EPMC8943633</full_dataset_link><repository>biostudies-literature</repository><pubmed_title>Prognostic significance of mean platelet volume in patients with lung cancer: a meta-analysis.</pubmed_title><pmcid>PMC8943633</pmcid><pubmed_authors>Rawat R</pubmed_authors><pubmed_authors>Kharel S</pubmed_authors><pubmed_authors>Shilpakar R</pubmed_authors><pubmed_authors>Shakya P</pubmed_authors><pubmed_authors>Shrestha S</pubmed_authors></additional><is_claimable>false</is_claimable><name>Prognostic significance of mean platelet volume in patients with lung cancer: a meta-analysis.</name><description>&lt;h4>Objective&lt;/h4>The mean platelet volume (MPV) is a measure of platelet size, and it is considered a surrogate marker of platelet activation. Because the correlation between platelet count/size and lung cancer prognosis remains unclear, this meta-analysis comprehensively evaluated the prognostic significance of MPV among patients with lung cancer.&lt;h4>Methods&lt;/h4>A systematic search of PubMed, Embase, Google Scholar, and additional sources of relevant studies were conducted with no language restrictions from inception to 7 May 2021. Overall survival (OS) and disease-free survival (DFS)/progression-free survival (PFS), as well as their hazard ratios (HR) and 95% confidence intervals (CIs), were pooled to evaluate the relationship between MPV and survival. The study protocol was registered </description><dates><release>2022-01-01T00:00:00Z</release><publication>2022 Mar</publication><modification>2025-04-21T23:14:57.077Z</modification><creation>2025-04-05T19:05:16.403Z</creation></dates><accession>S-EPMC8943633</accession><cross_references><pubmed>35313756</pubmed><doi>10.1177/03000605221084874</doi></cross_references></HashMap>