University:
Johns Hopkins University
Course:
ME.250.699. | Medicine Elective
Academic year:

2023
Views:

403

Pages:

3
Author:

Yasin N.

Cohort Study • Cohort - Cohorte are Identiysed Pie they are mu prior to appeasame of the dis Study gracups (Jollow up) ane observed over a period gume Study proceeds Jonvand (come to effect) Tims sis Dira ig enginny Navirras ja →Exposed ols. No dis Populación Ppl. cout distomerve pls. Not exp. No Dis. * Prospective study - time forward it Longitudinal study Incideme study - tume new career, + Forward Goking study. * Came to effect. Exp. to outcome Rf to dis. Follow-up. study. Alla) Types 1. Prospective Cohorte sturdy - Current cohort Study / Concurrent cohort study!" Nich Outcome has not yet occurred. begun. when only exposure has ocerned. the study hay Look for dev. I dls in hoth exposed & non exposed groups Frahming horm heout Study Adwomtage • Incidence & RR Calulatón • Natural histong g dis. • Done for rare cones, • Usejul for chr. dis. Tasting mulbayt effecti • mearunes time eroth the iden & puente des • No recall bas Dù advantage 4 Not Joon rave dis. • time coniung Prospechru - Example. Frahmingham hecut study Loss to jollosistem Example Retro cohorts per misba Researches identifies à cohistg individuals. who share compron exposime. ie workers 175 coal mine smoking hot Then examines pout, records Sindurivals (smokers 4 non smokers) to understand the effect og smoking con development s cunt outcome. ie → Begins Study pout grecords.g Jind possible link blw exp too Cung concer exposives Indin to Rf & the preront outcome. Researcher Finst studies ( dls) Control (@out-alls) Exposed Non exp -Compaus. T Exposme. case contind rasmus -Comp Outcome. pitno- có huit