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Eredu aurresaleetako aldagai jarraituen kategorizaziorik hoberena lortzeko metodologia proposamena: aplikazio zehatza medikuntzan

Authors: Barrio Beraza, Irantzu; Arostegui Madariaga, Inmaculada; García Gutiérrez, Susana;

Eredu aurresaleetako aldagai jarraituen kategorizaziorik hoberena lortzeko metodologia proposamena: aplikazio zehatza medikuntzan

Abstract

Medikuntzan parametro kliniko asko kategorizatzen dira erabaki prozesuak errazteko. Areago arau aurresale klinikoen garapenean ohiko teknika bat da aldagaien kategorizazio hau. Aldagai aurresale bat kategorizatzerakoan kategoria kopurua aldagai aurresale eta erantzulearen arteko erlazioaren menpe dagoenez bi kategoria baino gehiagoren beharra aztertu behar da. Guk metodo bat proposatzen dugu aldagai aurresaleak kategorizatzeko eredu aurresaleetan: eredutik lortutako funtzio leunaren arabera gutxienez batez besteko arriskuko kategoria bat eta arrisku altu eta arrisku baxuko behar beste kategoriak sortzea. Metodologia hau bihotz-gutxiegitasun desorekatu larria duten pazienteen kohorte prospektibo batean aplikatu dugu aldagai aurresalea arteria-tentsioa eta aldagai erantzulea epe laburreko heriotza izan direlarik. Erregresio logistiko gehigarria erabili da aldagai aurresale eta erantzulearen arteko erlazioa erakusteko. Proposatutako metodoa erabiliz lortutako kategoria-aldagaia jatorrizko aldagai jarraituarekin konparatu dugu AIC eta AUC parametroak erabiliz. Lau kategorietako arteria-tentsio sistolikoko proposamena honako hau da = 120 (120,136] (136,158] eta 158 baino handiagoa. Lau kategoria horietarako AIC=344,59 eta AUC=0,72 balioak lortu dira. Aldagai jarraiturako AIC=345,7 eta AUC=0,718 balioak lortu dira bi AUC balioen artean diferentzia adierazgarririk egon gabe (p = 0,974). Guk proposaturiko metodoaren bitartez aldagai jarraitua kategorizatzeko beharrezkoak diren mozketa-puntu kopurua eta puntuen kokapenik hoberena lortzen da. Horrela lortutako kategoria-aldagaiak jatorrizko aldagai jarraituak bezainbesteko errendimendu ona ematen du.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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gold