Page Comparison

• Introduction

• Architecture

• Business Flow

• Strict Ranges

• Schema changes

Introduction

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• concept_reference_range: This table holds the absolute, critical, and normal ranges along with a criteria column. The criteria column contains a coded function that performs validation checks, such as those based on age or gender, using the Velocity engine for evaluationvelocity text expressions that evaluate to true or false.

• obs_reference_range: This table stores the validated reference ranges for observation numeric values that have been used in validation after the criteria have been applied.

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This design allows for easy updates and expansions of criteria without requiring changes to the underlying database schema.

Business Logic Flow

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Image Added

Schema changes

This section details the new tables and relationships added to the OpenMRS data model to support factor-based concept ranges.

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