# Fragility Index Calculator

> Are these results robust?

Canonical page: [https://chrome-stats.com/d/id6744300161](https://chrome-stats.com/d/id6744300161)

## Overview

- **ID:** `id6744300161`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Ernie Yap
- **Category:** Medical
- **Rating:** 5.00 / 5 (4 ratings)
- **Version:** 1.0
- **Last updated:** 2025-04-08
- **First published:** 2025-04-08
- **Size:** 3.57 MB
- **Data as of:** 2026-09-03
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/fragility-index-calculator/id6744300161)
- **Privacy policy:** [https://docomo00.github.io/privacy-policy/](https://docomo00.github.io/privacy-policy/)

## Description

How many dichotomous outcomes to 'switch' before the p-value exceeds 0.05? This tool will jumpstart Journal Club discussions and catalyze analyses of clinical data.

This tool helps clinicians and researchers assess the statistical robustness of trial results using the Fragility Index, based on the method by Walsh et al. (J Clin Epidemiol, 2014). By simulating event shifts and recalculating p-values via Fisher's Exact Test, it identifies how sensitive a study's significance is to small data changes.

## Rankings

- #486,049 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6744300161)