---
title: "cgas"
description: "Children's Global Assessment Scale (CGAS) to score a subject's most impaired level of emotional and behavioural functioning in a specified period of time."
---

Children's Global Assessment Scale (CGAS) to score a subject's most impaired level of emotional and behavioural functioning in a specified period of time.

**Purpose.** To score a child's most impaired level of emotional and behavioural functioning in the specified period of time.

## Source

| Model | Leg | Role |
|---|---|---|
| `openEHR-EHR-OBSERVATION.cgas.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. | — |
| `score` | `integer` | yes | Score | `/data[at0001]/events[at0002]/data[at0003]/items[at0004]` |
| `comment`<br />`comment_code`<br />`comment_system`<br />`comment_valueset_id` | coded text<br />`text`, `text`, `text`, `text` | yes | Comment | `/data[at0001]/events[at0002]/data[at0003]/items[at0005]` |

## Constraints

```sql
check (score is null or score between 1 and 100)
check ((comment_code is null and comment_system is null and comment_valueset_id is null) or (comment is not null and comment_code is not null and comment_system is not null and comment_valueset_id 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 |
| `comment_valueset_id, comment_code, comment_system, comment` | [`valueset_code`](/docs/tables/valueset_code) | restrict |

## Indexes

- `cgas_form_id_idx` on `form_id`