---
title: "modified_rankin_scale"
description: "An assessment tool used to measure the degree of disability and level of assistance required after a stroke or another neurological event."
---

An assessment tool used to measure the degree of disability and level of assistance required after a stroke or another neurological event.

**Purpose.** To record the degree of disability and level of assistance required after a stroke or another neurological event.

## Source

| Model | Leg | Role |
|---|---|---|
| `openEHR-EHR-OBSERVATION.modified_rankin_scale.v1` | openEHR | defines this table |

## Columns

| Column | Type | Null | Description | Source |
|---|---|---|---|---|
| `id` | `uuid primary key` | no | Primary key. | — |
| `form_id` | `uuid` → [`form`](/docs/tables/form) | no | The form this entry was recorded on. | — |
| `form_block_id` | `uuid` | yes | The block within the form, when the entry is bound to one. | — |
| `modified_rankin_scale`<br />`modified_rankin_scale_code`<br />`modified_rankin_scale_system`<br />`modified_rankin_scale_numeric`<br />`modified_rankin_scale_valueset_id` | coded text<br />`text`, `text`, `text`, `numeric`, `text` | yes | Modified Rankin Scale | `/data[at0001]/events[at0002]/data[at0003]/items[at0007]` |

## Constraints

```sql
check ((modified_rankin_scale_code is null and modified_rankin_scale_system is null and modified_rankin_scale_numeric is null and modified_rankin_scale is null) or (modified_rankin_scale_valueset_id is not null and modified_rankin_scale_code is not null and modified_rankin_scale_system is not null and modified_rankin_scale_numeric is not null and modified_rankin_scale is not null))
```

## Unique

- `form_block_id`

## References

| Columns | Target | On delete |
|---|---|---|
| `form_id` | [`form`](/docs/tables/form) | cascade |
| `form_id, form_block_id` | [`form_block`](/docs/tables/form_block) | cascade |
| `modified_rankin_scale_valueset_id, modified_rankin_scale_code, modified_rankin_scale_system, modified_rankin_scale, modified_rankin_scale_numeric` | [`valueset_code`](/docs/tables/valueset_code) | restrict |

## Indexes

- `modified_rankin_scale_form_id_idx` on `form_id`

## Value sets

| Value set | Codes |
|---|---|
| `org.openehr::openEHR-EHR-OBSERVATION.modified_rankin_scale.v1/modified_rankin_scale` | 7 |

