Acta Medica Port
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This article aims to provide a guide that will help healthcare professionals and clinical researchers from all fields that deal with Kaplan-Meier curves. Survival analysis methods are among the most frequently used in the medical sciences and in clinical research. ⋯ Our focus will be on essential concepts that interface with biological sciences and medicine in order to guarantee proficiency in one of the most popular yet frequently misunderstood methods in clinical research. Being familiar with these concepts is not only essential for designing new clinical studies but also for critically assessing and interpreting published data.
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Acute pancreatitis is an acute inflammatory process of the pancreas with a high prevalence rate and varying degrees of severity that can be potentially life threatening. Much is still unknown about which mechanisms determine the course and severity of acute pancreatitis. The primary objective of this review is to identify the potential association between circulating B and T lymphocytes and the severity of acute pancreatitis. Subgroup analyses will be done according to the severity classification of the Revised Atlanta Classification System as well as according to the distinction between B lymphocytes and T lymphocytes and the severity of acute pancreatitis. ⋯ A systematic search will be performed in Medline, Web of Science, EMBASE, Cochrane Central Register of Controlled trials and ClinicalTrials.gov. Three authors will independently do the selection process as well as data extraction that will be recorded into a flow diagram following the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P). The pathophysiology of acute pancreatitis is still not fully understood and its evolution is sometimes unpredictable. In this context, through this systematic review, the research team intends to determine what has been described about the role of serum lymphocytes in determining the severity of acute pancreatitis, by identifying a potential indicator of the severity of this acute disease.
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On page 5, 3rd paragraph, line 7, where it reads, (in red): "(...) considering the international recommendation (1:10 000)8" It should read (in blue): "(...) considering the international recommendation (0.5:10 000)8" Still on page 5, 5th paragraph, line 8, where it reads, (in red): "(...) in the 40 - 50-year age group" It should read (in blue): "(...) below the 40 - 50-year age group" On page 8, key of Table 1, line 5, where it reads, (in red): "1: PORTATA 2021;" It should read (in blue): "1: PORDATA 2021;" Article published with errors: https://www.actamedicaportuguesa.com/revista/index.php/amp/article/view/20321.
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On page 215, list of authors, where it reads (in red): Mário FERREIRA1, Carlos GRIJÓ2, Joana PAULO1, Marta FONSECA1, Zélia NEVES1 It should read (in bold): Mário FERREIRA1, Carlos GRIJÓ2, Joana PAULO1, Marta FONSECA1, Zélia NEVES1, Rita BOUCEIRO MENDES3, Pedro VASCONCELOS3 On the same page 215, footer (authors affiliation), where it reads (in red): 1. Medicina III. Hospital Fernando Fonseca. ⋯ Lisboa. Portugal. Article published with errors: https://www.actamedicaportuguesa.com/revista/index.php/amp/article/view/20599.