{"id":26723,"date":"2023-02-13T15:56:57","date_gmt":"2023-02-13T18:56:57","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/crimean-congo-hemorrhagic-fever-copy\/"},"modified":"2023-02-16T16:09:27","modified_gmt":"2023-02-16T19:09:27","slug":"what-is-a-forest-plot","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/da\/hvad-er-en-skov-plot\/","title":{"rendered":"Hvad er en skovparcel, og hvad bruges den til?"},"content":{"rendered":"<p>En metaanalyse er en statistisk tilgang, der kombinerer resultaterne af flere unders\u00f8gelser for at give et mere komplet billede af virkningerne af en bestemt intervention eller behandling.&nbsp;<\/p>\n\n\n\n<p>Metaanalyser bruges ofte inden for medicin og sundhed samt mange andre omr\u00e5der til at give evidensbaserede forslag til klinisk praksis, politikformulering og fremtidige unders\u00f8gelser.<\/p>\n\n\n\n<p>Brugen af skovdiagrammer er meget almindelig inden for metaanalyser, som en enkel og kortfattet metode til at repr\u00e6sentere resultaterne af flere unders\u00f8gelser, efter en direkte forst\u00e5else af effektst\u00f8rrelserne og konfidensintervallerne for hver af disse unders\u00f8gelser.<\/p>\n\n\n\n<p>Denne artikel har til form\u00e5l at besvare f\u00f8lgende sp\u00f8rgsm\u00e5l: Hvad er et forest plot, og hvad bruges det til? S\u00e5 du er klar til at begynde at bruge forest plots i dit n\u00e6ste studie.<\/p>\n\n\n\n<h2>Hvad er en skovparcel, og hvad bruges den til?<\/h2>\n\n\n\n<p>Et forest plot er en grafisk fremstilling af metaanalysens resultater. Et forest plot viser resultaterne af en metaanalyse ved at vise effektst\u00f8rrelsen og konfidensintervallet for hver enkelt unders\u00f8gelse, samt den samlede opsummerede effekt og konfidensintervallet. Individuelle unders\u00f8gelser er afbildet med vandrette linjer, hvor hver linjes l\u00e6ngde angiver konfidensintervallet.&nbsp;<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/oyebjHfcVxJBkDiSnx99WwBbJ-q4zD2eEy-xge_37-BZboJXd_HmMzMWzMRg2RvNY-L8RnNy1ar9AJ6od9aA9eT5_NznFIwr19iKm_30AMBNHDQDuoGJ3BAf31WfAbOjvXCtZgmcGyqp4tA5T90VrAU\" alt=\"\"\/><\/figure><\/div>\n\n\n<p><a href=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/f\/f0\/Generic_forest_plot.png\/640px-Generic_forest_plot.png\"><\/a><\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Den samlede opsummerende effekt repr\u00e6senteres ofte som en diamantform, hvor diamantens bredde afspejler konfidensintervallet.&nbsp;<\/p>\n\n\n\n<p>Forest plot g\u00f8r det muligt at sammenligne resultaterne af snesevis af unders\u00f8gelser ved at pr\u00e6sentere resultaterne af en metaanalyse i et enkelt og forst\u00e5eligt visuelt format, hvilket g\u00f8r det til et nyttigt element for forskere, sundhedspersonale og politiske beslutningstagere, der \u00f8nsker at tr\u00e6ffe velinformerede beslutninger baseret p\u00e5 resultaterne af en metaanalyse.<\/p>\n\n\n\n<h2>Er det relateret til tr\u00e6er p\u00e5 nogen m\u00e5de?&nbsp;<\/h2>\n\n\n\n<p>Nej, et skovplot har intet med tr\u00e6er at g\u00f8re. Plottet kaldes et \"forest plot\", fordi det ligner en skov, hvor de enkelte unders\u00f8gelser er afbildet med lodrette linjer (som tr\u00e6stammer), og den samlede opsummerende effekt er angivet med en diamantform (som en lysning i skoven). Udtrykket er en metafor for mange forskellige unders\u00f8gelser, der kombineres for at skabe et bredere og mere grundigt billede af fakta.<\/p>\n\n\n\n<h2>Effektiv infografik er kun et skridt v\u00e6k<\/h2>\n\n\n\n<p>Vi skabte Mind the Graph som en brugervenlig mulighed for forskere til at designe smukke infografikker uden besv\u00e6r. N\u00e5r du er i arbejdsomr\u00e5det, skal du bare tr\u00e6kke og slippe elementer i dit l\u00e6rred, eller hvis du foretr\u00e6kker det, kan du ogs\u00e5 starte med at redigere en af vores skabeloner, og f\u00e6rdig! S\u00e5 enkelt kan du \u00f8ge chancerne for, at din artikel f\u00e5r flere citationer ved hj\u00e6lp af det visuelle.<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"is-layout-flex wp-block-buttons\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/mindthegraph.com\/\" style=\"border-radius:50px;background-color:#dc1866\" target=\"_blank\" rel=\"noreferrer noopener\">Begynd at skabe nu<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2>Dele af en skovparcel<\/h2>\n\n\n\n<p>En skovgrund best\u00e5r af flere vigtige dele:<\/p>\n\n\n\n<ul>\n<li><strong>Identifikation af unders\u00f8gelsen:<\/strong> Hvert enkelt studie kan identificeres med et s\u00e6rskilt navn eller en identifikator.&nbsp;<\/li>\n\n\n\n<li><strong>Effektst\u00f8rrelse: <\/strong>Intensiteten af interventionen eller behandlingseffekten m\u00e5les ved hj\u00e6lp af effektst\u00f8rrelsen. Afh\u00e6ngigt af hvilken type data, der unders\u00f8ges, rapporteres det ofte som en gennemsnitlig forskel, odds ratio, risk ratio eller hazard ratio.&nbsp;<\/li>\n\n\n\n<li><strong>Konfidensintervaller: <\/strong>Konfidensintervallet er et m\u00e5l for den usikkerhed, der omgiver estimatet af effektst\u00f8rrelsen. Det illustreres ofte med en vandret linje, hvis l\u00e6ngde angiver det interval af v\u00e6rdier, der sandsynligvis omfatter den \u00e6gte effektst\u00f8rrelse.&nbsp;<\/li>\n\n\n\n<li><strong>Opsummerende effekt:<\/strong> Den samlede opsummerede effekt er summen af effektst\u00f8rrelserne fra alle de individuelle studier, der indg\u00e5r i metaanalysen.&nbsp;<\/li>\n\n\n\n<li><strong>Heterogenitet:<\/strong> Variationen i resultaterne af de enkelte unders\u00f8gelser kaldes heterogenitet. Skovplottet kan identificere eventuelle kilder til variation i resultaterne og indikere eventuelle outliers eller uoverensstemmelser.&nbsp;<\/li>\n\n\n\n<li><strong>P-v\u00e6rdi:<\/strong> En statistisk indikator for den statistiske validitet af effektst\u00f8rrelsen. Hvis nulhypotesen er sand, afspejler den sandsynligheden for at f\u00e5 den rapporterede effektst\u00f8rrelse ved en tilf\u00e6ldighed.&nbsp;<\/li>\n\n\n\n<li><strong>V\u00e6gt:<\/strong> V\u00e6gten er en indikator for, hvor meget hvert enkelt studie bidrager til den samlede effekt. V\u00e6gten er ofte afh\u00e6ngig af st\u00f8rrelsen eller pr\u00e6cisionen af det enkelte studie.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/enfDDTrZ9OtLJ4CUYNz0JqaxajDIVTNSId8JNHxbj9DZcomcTcRK2xQzxYPGV5Kdxglkelx_BI1FpwqkF79j0Mq5KwsXUmhWmI5oHA4p3LVMcyiwDvoHcnGQ97dtlYUIqHgryoCkAEtjmSYInGMfnqU\" alt=\"\"\/><\/figure><\/div>\n\n\n<p><a href=\"https:\/\/images.prismic.io\/researchsquare\/3a804f08-fdf2-40f6-b8f2-3dee1db7a689_Fig+2.jpg?auto=compress,format\"><\/a><\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2>Tips til, hvordan man fortolker et skovplot<\/h2>\n\n\n\n<p>Nu, hvor du forst\u00e5r, hvad et skovplot er, og hvad det bruges til, b\u00f8r du v\u00e6re i stand til at fortolke det.<\/p>\n\n\n\n<ol>\n<li>Se efter diamantformen i figuren, som viser den samlede analyses effektst\u00f8rrelse. Diamantens bredde repr\u00e6senterer m\u00e6ngden af usikkerhed omkring den estimerede effektst\u00f8rrelse.<\/li>\n\n\n\n<li>De vandrette linjer, der str\u00e6kker sig fra hvert studie, viser konfidensintervallerne for hver forsknings effektst\u00f8rrelser. Hvis linjen har et nul, betyder det, at der ikke er tilstr\u00e6kkelige data til at p\u00e5vise en meningsfuld effekt af den p\u00e5g\u00e6ldende intervention eller behandling.<\/li>\n\n\n\n<li>Unders\u00f8g resultaterne for afvigelser eller uoverensstemmelser, som kan indikeres af vandrette linjer, der er v\u00e6sentligt l\u00e6ngere eller kortere end resten. Det kan betyde, at resultaterne fra et studie ikke stemmer overens med resultaterne fra andre, hvilket kan have indflydelse p\u00e5 den overordnede konklusion.<\/li>\n\n\n\n<li>V\u00e6r opm\u00e6rksom p\u00e5 den generelle retning af effektst\u00f8rrelserne. Hvis de fleste linjer er til h\u00f8jre for nul, indikerer det, at interventionen eller behandlingen havde en gunstig effekt. En negativ indflydelse vises, hvis de fleste linjer er til venstre for nul.<\/li>\n\n\n\n<li>Overvej st\u00f8rrelsen af hvert studie, som angivet af den v\u00e6gt, der er tildelt hvert studie i analysen. St\u00f8rre, bedre designede unders\u00f8gelser kan have en st\u00f8rre indflydelse p\u00e5 det endelige resultat end mindre unders\u00f8gelser.<\/li>\n<\/ol>\n\n\n\n<h2>Vi bekymrer os om din succes med visuel kommunikation og videnskabelig uddannelse<\/h2>\n\n\n\n<p>Brug af klare, enkle og engagerende visuelle elementer kan v\u00e6re med til at \u00f8ge succesen inden for kommunikation og videnskabelig uddannelse.  Ved at g\u00f8re viden mere engagerende og interaktiv kan visuelle elementer ogs\u00e5 tjene til at engagere og opmuntre eleverne som et resultat af en forbedret forst\u00e5else af emnet. Brug Mind The Graph som dit foretrukne v\u00e6rkt\u00f8j, og forbedr din forskning med det samme.<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"394\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2022\/12\/3yuqz9n9m78.gif\" alt=\"\" class=\"wp-image-25763\"\/><\/figure><\/div>\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"is-layout-flex wp-block-buttons\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/mindthegraph.com\/\" style=\"border-radius:50px;background-color:#dc1866\" target=\"_blank\" rel=\"noreferrer noopener\">\u00d8g min research med illustrationer<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>For at f\u00e5 en bedre forst\u00e5else af, hvad et skovplot er, og hvad det bruges til, kan du l\u00e6se denne letforst\u00e5elige Mind The Graph-artikel.<\/p>","protected":false},"author":28,"featured_media":26730,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a Forest Plot and What Is It Used For?<\/title>\n<meta name=\"description\" content=\"To achieve a better understanding of what is a forest plot and what is it used for, read this simple to comprehend Mind The Graph article.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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Jessica is an animal rights activist who enjoys reading and drinking strong coffee.","sameAs":["https:\/\/www.linkedin.com\/in\/jessica-abbadia-9b834a13b\/"],"url":"https:\/\/mindthegraph.com\/blog\/da\/author\/jessica\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/posts\/26723"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/comments?post=26723"}],"version-history":[{"count":4,"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/posts\/26723\/revisions"}],"predecessor-version":[{"id":26742,"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/posts\/26723\/revisions\/26742"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/media\/26730"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/media?parent=26723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/categories?post=26723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/da\/wp-json\/wp\/v2\/tags?post=26723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}