# Bayes' post-test probability calculator

> Medical

Canonical page: [https://chrome-stats.com/d/id371920137](https://chrome-stats.com/d/id371920137)

## Overview

- **ID:** `id371920137`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Keiji Matsui
- **Category:** Medical
- **Rating:** 3.70 / 5 (3 ratings)
- **Version:** 3.0
- **Last updated:** 2016-02-09
- **First published:** 2010-05-14
- **Size:** 20 MB
- **Data as of:** 2026-09-25
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/bayes-post-test-probability-calculator/id371920137)
- **Website:** [http://gompertz-matsui.la.coocan.jp/OCH/OCH\_applications.html](http://gompertz-matsui.la.coocan.jp/OCH/OCH_applications.html)

## Description

Bayes’ post-test probability calculator, an iPhone / iPod touch application, calculates the post-test probability of diseases from pre-test probability and sensitivity of the test and specificity of the test.

positive result: post-test probability for positive result
negative result: post-test probability for negative result

## Rankings

- #605,700 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id371920137)