{"id":26809,"date":"2023-02-21T16:40:04","date_gmt":"2023-02-21T19:40:04","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/racism-in-science-copy\/"},"modified":"2023-02-28T16:54:49","modified_gmt":"2023-02-28T19:54:49","slug":"systematic-review-and-meta-analysis","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/sl\/sistematicni-pregled-in-metaanaliza\/","title":{"rendered":"Metodologija sistemati\u010dnega pregleda in metaanalize"},"content":{"rendered":"<p>Sistemati\u010dni pregled in metaanaliza sta dve pomembni orodji za sintezo in povzemanje razpolo\u017eljivih dokazov o raziskovalnem vpra\u0161anju. Obe metodi zahtevata strog in pregleden postopek, o njiju pa je treba poro\u010dati na jasen in iz\u010drpen na\u010din.<\/p>\n\n\n\n<p>\u010ce ne poznate razlike med sistemati\u010dnim pregledom in metaanalizo, boste v tem \u010dlanku izvedeli, kaj sta, in razumeli, kako ju pripraviti ter kako ju uporabiti v raziskavah.&nbsp;<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"698\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/hierarchy-of-evidence-1024x698.png\" alt=\"\" class=\"wp-image-26819\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/hierarchy-of-evidence-1024x698.png 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/hierarchy-of-evidence-300x205.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/hierarchy-of-evidence-768x524.png 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/hierarchy-of-evidence-18x12.png 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/hierarchy-of-evidence-100x68.png 100w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/hierarchy-of-evidence.png 1100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Slika iz <strong>medicalnewstoday.com<\/strong><\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2>Kaj je sistemati\u010dni pregled?<\/h2>\n\n\n\n<p>Sistemati\u010dni pregled je popolna in pregledna ocena razpolo\u017eljivih dokazov o dolo\u010deni raziskavi z uporabo strogega in vnaprej dolo\u010denega postopka za opredelitev, izbor in kriti\u010dno oceno ustreznih \u0161tudij. Cilj sistemati\u010dnega pregleda je zagotoviti povzetek trenutnega stanja znanja o dolo\u010deni temi in ugotoviti vrzeli v obstoje\u010di literaturi.<\/p>\n\n\n\n<p>Postopek obi\u010dajno vklju\u010duje obse\u017eno iskanje po ve\u010d podatkovnih zbirkah z objavljenimi in neobjavljenimi \u0161tudijami, jasno in vnaprej dolo\u010deno izbirno merilo ter kriti\u010dno oceno kakovosti vklju\u010denih \u0161tudij. Rezultat je sinteza obstoje\u010dih dokazov, ki je podlaga za sprejemanje informiranih odlo\u010ditev ali nadaljnje raziskave.<\/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=\"418\" height=\"716\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/concept-systemetic-review.png\" alt=\"\" class=\"wp-image-26824\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/concept-systemetic-review.png 418w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/concept-systemetic-review-175x300.png 175w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/concept-systemetic-review-7x12.png 7w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/concept-systemetic-review-58x100.png 58w\" sizes=\"(max-width: 418px) 100vw, 418px\" \/><figcaption class=\"wp-element-caption\"><em>Slika iz<strong> pubrica.com<\/strong><\/em><\/figcaption><\/figure><\/div>\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2>Kaj je metaanaliza?<\/h2>\n\n\n\n<p>Metaanaliza je statisti\u010dna tehnika, ki zdru\u017euje rezultate ve\u010d \u0161tudij, da bi dobili enotno oceno. Metaanalize se pogosto izvajajo po opravljenem sistemati\u010dnem pregledu, saj je zanje potrebno zadostno \u0161tevilo \u0161tudij s podobnimi zasnovami in rezultati. Glavna prednost metaanalize je, da z zdru\u017eevanjem informacij iz ve\u010d \u0161tudij pove\u010da natan\u010dnost in mo\u010d ugotovitev.<\/p>\n\n\n\n<p>Pri metaanalizi se velikosti u\u010dinkov posameznih \u0161tudij zdru\u017eijo z uporabo tehtanega povpre\u010dja, ki temelji na velikosti vzorca in natan\u010dnosti ocene u\u010dinka. Kombinacija rezultatov ve\u010d \u0161tudij lahko pomaga pri re\u0161evanju te\u017eav, kot sta majhna velikost vzorca in pomanjkanje statisti\u010dne mo\u010di v posameznih \u0161tudijah, lahko pa zagotovi tudi celovitej\u0161i pregled raziskav na dolo\u010deno temo.<\/p>\n\n\n\n<p>Pomembno je opozoriti, da vsi sistemati\u010dni pregledi ne vklju\u010dujejo metaanalize. Odlo\u010ditev o vklju\u010ditvi metaanalize je odvisna od heterogenosti \u0161tudij, razpolo\u017eljivosti podatkov in primernosti metod za zdru\u017eevanje rezultatov.<\/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=\"651\" height=\"174\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-01.jpg\" alt=\"\" class=\"wp-image-26823\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-01.jpg 651w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-01-300x80.jpg 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-01-18x5.jpg 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-01-100x27.jpg 100w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><\/figure><\/div>\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2>Kako pripraviti sistemati\u010dni pregled in metaanalizo?<\/h2>\n\n\n\n<p>V nadaljevanju bomo podali navodila po korakih, kako pripraviti sistemati\u010dni pregled in metaanalizo. Ne glede na to, ali ste raziskovalec, \u0161tudent ali zdravnik, vam bodo ti koraki pomagali z orodji in znanjem, potrebnim za izvajanje metod.<\/p>\n\n\n\n<h3>Pri pripravi sistemati\u010dnega pregleda je treba upo\u0161tevati naslednje korake:<\/h3>\n\n\n\n<ul>\n<li><strong>Opredelite svoje raziskovalno vpra\u0161anje:<\/strong> Jasno opredelite problem, ki ga \u017eelite raziskati, in se prepri\u010dajte, da je specifi\u010den in pomemben.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Izvedite obse\u017eno iskanje literature:<\/strong> Uporabite ve\u010d podatkovnih zbirk in iskalnikov, da najdete vse ustrezne \u0161tudije.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Preverjanje \u0161tudij glede upravi\u010denosti:<\/strong> Preglejte povzetke in polna besedila \u010dlankov ter ugotovite, ali izpolnjujejo merila za vklju\u010ditev v sistemati\u010dni pregled.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Pridobivanje in sintetiziranje podatkov:<\/strong> Iz vsake primerne \u0161tudije izberite ustrezne informacije, kot so zasnova \u0161tudije, velikost vzorca, intervencije, izidi in rezultati.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Ocenite kakovost dokazov:<\/strong> Ocenite kakovost dokazov z uporabo vnaprej dolo\u010denih meril, kot je tveganje pristranskosti, in rezultate povzemite v preglednici ali sliki.<\/li>\n<\/ul>\n\n\n\n<h3>Pri pripravi metaanalize je treba upo\u0161tevati naslednje korake:<\/h3>\n\n\n\n<ul>\n<li><strong>Dolo\u010dite raziskovalno vpra\u0161anje:<\/strong> Najprej opredelite raziskovalno vpra\u0161anje ali hipotezo, ki jo \u017eelite obravnavati z metaanalizo.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Iskanje literature: <\/strong>Izvedite obse\u017eno iskanje literature, da bi na\u0161li vse ustrezne \u0161tudije, ki obravnavajo va\u0161e raziskovalno vpra\u0161anje. Uporabite ve\u010d podatkovnih zbirk in iskalnikov ter poskrbite, da boste vklju\u010dili tako objavljene kot neobjavljene \u0161tudije.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Izbor \u0161tudije: <\/strong>Ocenite, ali je vsaka \u0161tudija primerna za vklju\u010ditev v metaanalizo na podlagi posebnih meril, kot so velikost vzorca, zasnova \u0161tudije in meritve rezultatov.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Pridobivanje podatkov:<\/strong> Pridobite podatke iz upravi\u010denih \u0161tudij, vklju\u010dno z velikostjo u\u010dinka, velikostjo vzorca in drugimi pomembnimi informacijami. Te informacije je treba zabele\u017eiti na standardiziran na\u010din za uporabo v metaanalizi.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Statisti\u010dna analiza:<\/strong> Uporabite ustrezne statisti\u010dne metode za zdru\u017eevanje podatkov iz izbranih \u0161tudij in izra\u010dun celotne velikosti u\u010dinka ter mere variabilnosti.<\/li>\n<\/ul>\n\n\n\n<h2>Sprostite mo\u010d infografike s storitvijo Mind the Graph<\/h2>\n\n\n\n<p>Mind the Graph je platforma, ki znanstvenikom pomaga pri vizualnem sporo\u010danju rezultatov raziskav. Omogo\u010da enostavno ustvarjanje visokokakovostnih grafik in predstavitev. Ne glede na to, ali gre za podrobne infografike ali zanimive predstavitve, <a href=\"https:\/\/mindthegraph.com\" target=\"_blank\" rel=\"noreferrer noopener\">Mind the Graph<\/a> omogo\u010da znanstvenikom, da u\u010dinkovito sporo\u010dajo o svojem delu.<\/p>\n\n\n\n<div style=\"height:39px\" 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:25px\" 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\/app\/illustrations\" style=\"border-radius:50px;background-color:#dc1866\" target=\"_blank\" rel=\"noreferrer noopener\">Za\u010dnite uporabljati Mind the Graph<\/a><\/div>\n<\/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>Spoznajte razliko med sistemati\u010dnim pregledom in metaanalizo, dvema pomembnima metodama za sintezo raziskovalnih dokazov.<\/p>","protected":false},"author":35,"featured_media":26817,"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>The Methodology Behind Systematic Review and Meta-Analysis<\/title>\n<meta name=\"description\" content=\"Find out the difference between Systematic Review and Meta-Analysis, two important methods for synthesizing research 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