Non Inferiority Sample Size Calculator

NISSC – Non-Inferiority Sample Size Calculator

http://www.hwasoon.kim/NISSC/#!/survival

Sample size of experimental group: Under the assumptions of proportional hazard and non-informative censoring, a non-inferiority trial is designed to show that a new treatment is …

Sample size calculator - Risk Calc

https://riskcalc.org/samplesize/

Sample size estimation in clinical research: from randomized controlled trials to observational studies. Chest, 158 (1), pp.S12-S20. Wang, X. and Ji, X., 2020. Sample size formulas for different study designs: supplement …

Sample Size Calculator & Statistical Power Calculator

https://www.gigacalculator.com/calculators/power-sample-size-calculator.php

Power calculator for binary outcome non-inferiority trial - Sealed …

https://www.sealedenvelope.com/power/binary-noninferior/

Calculate how big your clinical trial needs to be with our easy to use online calculators. There are several different sample size calculators - choose the correct one according …

Sealed Envelope | Power calculator for continuous outcome non ...

https://www.sealedenvelope.com/power/continuous-noninferior/

Non-inferiority limit, d Calculate sample size Technical note Calculation based on the formula: n = f (α, β) × 2 × σ 2 2 where σ is the standard deviation, and -1 2 Φ -1 is the …

Practical guide to sample size calculations: non-inferiority and ...

https://pubmed.ncbi.nlm.nih.gov/26604186/

In this paper, the steps for conducting sample size calculations for non-inferiority and equivalence trials are summarised. Practical advice and examples are provided that …

Compare 2 Proportions 2-Sample Non-Inferiority or Superiority

http://www.powerandsamplesize.com/Calculators/Compare-2-Proportions/2-Sample-Non-Inferiority-or-Superiority

Calculate Sample Size Needed to Compare 2 Proportions: 2-Sample Non-Inferiority or Superiority. This calculator is useful for the types of tests known as non-inferiority and …

Sample Size Calculator for Comparing Two Independent Means

http://statulator.com/SampleSize/ss2M.html

Sample Size Calculator for Comparing Two Independent Means. Provides live interpretations. Evaluates the influence of changing input values. Adjusts sample sizes …

Calculate Sample Size Needed to Test 1 Proportion: 1-Sample Non ...

http://powerandsamplesize.com/Calculators/Test-1-Proportion/1-Sample-Non-Inferiority-or-Superiority

This calculator uses the following formulas to compute sample size and power, respectively: n = p ( 1 − p) ( z 1 − α + z 1 − β p − p 0 − δ) 2 1 − β = Φ ( z − z 1 − α) + Φ ( − z − z 1 − α), z = p − p 0 − δ p ( 1 − p) n where n is sample size p 0 is the comparison value Φ is the standard Normal distribution function

PharmaSchool Sample Size Calculator

https://www.pharmaschool.co/size7.asp

PharmaSchool Sample Size Calculator. Type: Binary Non-Inferiority . The calculator below is to determine the sample size for a 2 arm, randomised, parallel group trial with …