ANALYTICAL, DIAGNOSTIC AND THERAPEUTIC TECHNIQUES, AND EQUIPMENT Investigative Techniques [E05] Investigative Techniques Epidemiologic Methods [E05.318] Epidemiologic Methods Epidemiologic Research Design [E05.318.370] Epidemiologic Research Design Control Groups [E05.318.370.074] Control Groups Cross-Over Studies [E05.318.370.150] Cross-Over Studies Double-Blind Method [E05.318.370.300] Double-Blind Method Genome-Wide Association Study [E05.318.370.392] Genome-Wide Association Study Lost to Follow-Up [E05.318.370.438] Lost to Follow-Up Matched-Pair Analysis [E05.318.370.485] Matched-Pair Analysis Meta-Analysis as Topic [E05.318.370.500] Meta-Analysis as Topic Random Allocation [E05.318.370.700] Random Allocation Reproducibility of Results [E05.318.370.725] Reproducibility of Results Sample Size [E05.318.370.762] Sample Size Sensitivity and Specificity [E05.318.370.800] Sensitivity and Specificity Single-Blind Method [E05.318.370.850] Single-Blind Method ANALYTICAL, DIAGNOSTIC AND THERAPEUTIC TECHNIQUES, AND EQUIPMENT Investigative Techniques [E05] Investigative Techniques Methods [E05.581] Methods Research Design [E05.581.500] Research Design Control Groups [E05.581.500.149] Control Groups Double-Blind Method [E05.581.500.300] Double-Blind Method Early Termination of Clinical Trials [E05.581.500.400] Early Termination of Clinical Trials Meta-Analysis as Topic [E05.581.500.501] Meta-Analysis as Topic Patient Selection [E05.581.500.653] Patient Selection Random Allocation [E05.581.500.805] Random Allocation Sample Size [E05.581.500.902] Sample Size Numbers Needed To Treat [E05.581.500.902.500] Numbers Needed To Treat HEALTH CARE Health Care Quality, Access, and Evaluation [N05] Health Care Quality, Access, and Evaluation Quality of Health Care [N05.715] Quality of Health Care Health Care Evaluation Mechanisms [N05.715.360] Health Care Evaluation Mechanisms Epidemiologic Research Design [N05.715.360.325] Epidemiologic Research Design Cross-Over Studies [N05.715.360.325.150] Cross-Over Studies Double-Blind Method [N05.715.360.325.320] Double-Blind Method Matched-Pair Analysis [N05.715.360.325.500] Matched-Pair Analysis Meta-Analysis as Topic [N05.715.360.325.515] Meta-Analysis as Topic Random Allocation [N05.715.360.325.675] Random Allocation Reproducibility of Results [N05.715.360.325.685] Reproducibility of Results Sample Size [N05.715.360.325.692] Sample Size Sensitivity and Specificity [N05.715.360.325.700] Sensitivity and Specificity Single-Blind Method [N05.715.360.325.730] Single-Blind Method HEALTH CARE Environment and Public Health [N06] Environment and Public Health Public Health [N06.850] Public Health Epidemiologic Methods [N06.850.520] Epidemiologic Methods Epidemiologic Research Design [N06.850.520.445] Epidemiologic Research Design Cross-Over Studies [N06.850.520.445.150] Cross-Over Studies Double-Blind Method [N06.850.520.445.300] Double-Blind Method Genome-Wide Association Study [N06.850.520.445.392] Genome-Wide Association Study Matched-Pair Analysis [N06.850.520.445.485] Matched-Pair Analysis Meta-Analysis as Topic [N06.850.520.445.500] Meta-Analysis as Topic Random Allocation [N06.850.520.445.700] Random Allocation Reproducibility of Results [N06.850.520.445.725] Reproducibility of Results Sample Size [N06.850.520.445.762] Sample Size Sensitivity and Specificity [N06.850.520.445.800] Sensitivity and Specificity Single-Blind Method [N06.850.520.445.850] Single-Blind Method

Sample Size - Concepto preferido

UI del concepto	M0027628
Nota de alcance	The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups. (From Wassertheil-Smoller, Biostatistics and Epidemiology, 1990, p95)
Término preferido	Sample Size
Término(s) alternativo(s)	Sample Sizes Size, Sample Sizes, Sample