Pooledanalysisisastatisticalmethodthatcombinesdatafrommultiplestudiesorsourcestoincreasethesamplesizeandimprovethereliabilityoftheresults.Thisapproachisparticularlyusefulinresearchfieldslikeepidemiology,clinicaltrials,andmeta-analysis,whereindividualstudiesmayhavelimitedsamplesizesorvaryingoutcomes.Bypoolingdata,researcherscanachievegreaterstatisticalpower,reducevariability,andobtainmorepreciseestimatesofeffectsorassociations.Pooledanalysiscanalsohelpidentifytrendsorpatternsthatmightnotbeapparentinsmaller,individualstudies.However,itrequirescarefulconsiderationofstudyheterogeneity,datacompatibility,andpotentialbiasestoensurevalidandmeaningfulconclusions.
