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Sample Size Examples

How to calculate sample size for clinial trials

Sample size examples by statistical & therapeutic areas
(for more video tutorials, view our past webinars here)

How to use nQuery

Sample Size Example

Tags:  Means, Respiratory

 

GSD & Unblinded SSR

Sample Size Example

Tags:  Adaptive, Means, Sample Size Re-estimation, Urology

 

Survival Analysis in nQuery

Sample Size Example

Tags:  Survival Analysis, Oncology

 

Blinded SSR

Sample Size Example

Tags:  Adaptive, Means, Sample Size Re-estimation, Respiratory

 

MCP-Mod

Sample Size Example

Tags:  MCP-Mod, Neurology

 

Simon's Two Stage Design

Sample Size Example

Tags: Adaptive, Proportions, Simon's Two-Stage Design, Oncology

 

Multi-Arm Multi-Stage (MAMS)

Sample Size Example

Tags:  MAMS, Means, Respiratory

 

Bayesian Assurance in nQuery

Sample Size Example

Tags:  Bayesian, Survival, Immunology, Respiratory

 

Gynecologic Oncology

Sample Size Example

Tags: Adaptive, Simon's Two-Stage Design, Proportions, Oncology, 

View Example

Cardiac Surgery Survival
(Adaptive SSR)

Sample Size Example

Tags: Adaptive, Proportions, Unblinded SSR, Cardiology,

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Rare Immune System Disorder

Sample Size Example

Tags: Andersen-Gill, Recurrent Events, Means, Immunology

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COPD Research (SSR)

Sample Size Example

Tags: adaptive, Two Negative Binomial, Means, Respiratory

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Anti-depressant Therapy

Sample Size Example

Tags: Adaptive, MCP-MOD, Means, Neurology

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Coronary Heart Disease

Sample Size Example

Tags: Agreement, Means, Cardiology

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Leukemia/Oncology

Sample Size Example

Tags: Adaptive, Proportions, Simon's Two-Stage Design, Oncology

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Thrombosis

Sample Size Example

Tags: Agreement, Cardiology

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Hepatology

Sample Size Example

Tags: Agreement, Oncology

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Prostate Cancer Study

Sample Size Example

Tags: Agreement, Urology

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Dairy Science

Sample Size Example

Tags: Agreement, Veterinary

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Diabetes

Sample Size Example

Tags: Adaptive, Means, Cardiology

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Pulmonary Hypertension

Sample Size Example

Tags: Means, Cardiology

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Immunology CRT

Sample Size Example

Tags: Means, Immunology

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Nephrology

Sample Size Example

Tags: Means, Nephrology

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Multiple Sclerosis

Sample Size Example

Tags: Means, Neurology

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Lung Disease

Sample Size Example

Tags: Means, Respiratory

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Respiratory

Sample Size Example

Tags: Means, Respiratory

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COPD

Sample Size Example

Tags: Means, Respiratory

View Example

Allergic Rhinitis

Sample Size Example

Tags: Means, Respiratory

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Urinary Incontinence

Sample Size Example

Tags: Adaptive, Means, Urology

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Neurogenic Detrusor

Sample Size Example

Tags: Means, Urology

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Psoriatic Arthritis

Sample Size Example

Tags: Proportions, Rheumatology

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Veterinary

Sample Size Example

Tags: Proportions, Veterinary

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Multiple Sclerosis

Sample Size Example

Tags: Regression, Neurology

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Atrial Fibrillation

Sample Size Example

Tags: Survival Analysis, Cardiology

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Metastatic Colorectal Cancer

Sample Size Example

Tags: Survival Analysis, Oncology, Adaptive

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Liver Disease

Sample Size Example

Tags: Survival Analysis, Oncology, Adaptive

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Bioequivalence

Sample Size Example

Tags: Equivalence, Means

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Osteoporosis

Sample Size Example

Tags: Means, Three Arm Trial, Non-inferiority, Rheumatology

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Restenosis in Diabetic Patients

Sample Size Example

Tags: Means, Non-Inferiority, Cardiology

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Coronary Heart Disease

Sample Size Example

Tags: MCP-Mod, Means, Cardiology

View Example


Prefer videos?
Watch our sample size webinars


Sample Size Examples

Here you can sort the hypothesis testing examples by statistical or therapeutic area to suit your sample size needs. These examples cover sample size or power analysis for 3 different types of clinical trials - Classical, Bayesian and Adaptive clinical trial design.  nQuery covers over 1000+ sample size & statistical procedures and offers innovative techniques such as Bayesian & Adaptive trial design to reduce the risk and costs associated with clinical trials.

What is a hypothesis? A hypothesis is a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation. Here you will find hypothesis testing examples using nQuery. These are real world industry examples that are recreated in nQuery to demonstrate how nQuery can be used for calculating sample size. They cover a range of different statistical and therapeutic areas. nQuery covers over 1000+ sample size & statistical procedures to help you with your clinical trial design.

nQuery in Scientific Journals

nQuery is extensively featured in Scientific Journals. Over 1000 citations are listed with The NCBI alone.

A list of nQuery scientific citations is available here.