เปรียบเทียบวิธี

	การศึกษาแบบกลุ่มที่จับคู่กัน	การศึกษาแบบกลุ่ม (Cohort Study)
สาขาวิชา	ระบาดวิทยา	ระบาดวิทยา
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	Mid-20th century; propensity-score variant 1983	Mid-20th century (formal epidemiological design codified ~1950s)
ผู้ริเริ่ม	Established practice; propensity-score matching formalized by Rosenbaum & Rubin (1983)	Doll & Hill (British Doctors Study, 1951); Snow (cholera, 1854)
ประเภท	Observational analytic study design	Observational longitudinal study design
แหล่งต้นตำรับ	Rothman, K. J., Greenland, S., & Lash, T. L. (2008). Modern Epidemiology (3rd ed.). Lippincott Williams & Wilkins. ISBN: 978-0781755641	Rothman, K. J., Greenland, S., & Lash, T. L. (2008). Modern Epidemiology (3rd ed.). Lippincott Williams & Wilkins. ISBN: 978-0781755641
ชื่อเรียกอื่น	matched follow-up study, paired cohort study, propensity-matched cohort, matched prospective study	longitudinal study, follow-up study, panel study, incidence study
ที่เกี่ยวข้อง	5	6
สรุป	A matched cohort study is an observational design in which each exposed participant is paired with one or more unexposed counterparts who share key characteristics — such as age, sex, or comorbidity status — before both groups are followed forward in time to compare incident outcomes. Matching controls for measured confounders at the design stage, reducing bias that would otherwise require statistical adjustment alone.	A cohort study assembles a group of individuals who share a common starting point — typically freedom from the outcome of interest — and follows them over time to observe who develops the outcome. By comparing incidence rates between exposed and unexposed subgroups, researchers can estimate relative risk and absolute risk differences. Cohort studies are the gold-standard observational design for measuring disease incidence and establishing temporal relationships between exposure and outcome.