Enter the scores for general well-being, abdominal pain, number of liquid stools per day, abdominal mass, and complications into the calculator to determine the Harvey Bradshaw Index.

## Harvey Bradshaw Index Formula

The following formula is used to calculate the Harvey Bradshaw Index (HBI).

HBI = (General well-being) + (2 * Abdominal pain) + (2 * Number of liquid stools per day) + (Abdominal mass) + (Complications)

Variables:

- General well-being is scored from 0 (very well) to 4 (terrible)
- Abdominal pain is scored from 0 (none) to 3 (severe)
- Number of liquid stools per day is the actual number
- Abdominal mass is scored from 0 (none) to 3 (definite and tender)
- Complications include arthralgia, uveitis, erythema nodosum, aphthous ulcers, pyoderma gangrenosum, anal fissure, new fistula, abscess – each scored 1 point

To calculate the Harvey Bradshaw Index, add the score for general well-being to twice the score for abdominal pain, twice the number of liquid stools per day, the score for abdominal mass, and the score for complications.

## What is a Harvey Bradshaw Index?

The Harvey Bradshaw Index (HBI) is a simplified scoring system used to evaluate the severity of Crohn’s disease, a type of inflammatory bowel disease. It assesses five clinical factors: patient well-being, abdominal pain, number of liquid stools per day, abdominal mass, and complications. Each factor is assigned a score, and the total score indicates the disease activity level, with higher scores indicating more severe disease.

## How to Calculate Harvey Bradshaw Index?

The following steps outline how to calculate the Harvey Bradshaw Index (HBI).

- First, assign a score to the variable “General well-being” ranging from 0 (very well) to 4 (terrible).
- Next, assign a score to the variable “Abdominal pain” ranging from 0 (none) to 3 (severe).
- Next, determine the number of liquid stools per day.
- Next, assign a score to the variable “Abdominal mass” ranging from 0 (none) to 3 (definite and tender).
- Next, count the number of complications (arthralgia, uveitis, erythema nodosum, aphthous ulcers, pyoderma gangrenosum, anal fissure, new fistula, abscess) and assign 1 point for each complication.
- Finally, calculate the Harvey Bradshaw Index using the formula: HBI = (General well-being) + (2 * Abdominal pain) + (2 * Number of liquid stools per day) + (Abdominal mass) + (Complications).

**Example Problem:**

Use the following variables as an example problem to test your knowledge.

General well-being = 2

Abdominal pain = 1

Number of liquid stools per day = 4

Abdominal mass = 2

Complications = 3