1.1 Basic Query

You can find patients by placing a health condition (term) on a 'Query Tool' group panel.

[How to]

1. Find a term
   1. Go to 'Navigate Terms' tab
   2. Click term folders to narrow down the concept
   3. If a target term is found, select the term
2. Drag and drop to 'Group 1'
   1. Drag the selected term into 'Query Tool > Group 1'
3. Run Query
   1. Click 'Query Tool > Run Query' → 'OK'
4. Get Result
   1. Query running status will be displayed in 'Show Query Status' tab, which is located below 'Query Tool'
   2. Query result will be displayed in 'Graph Results'
      
      1. Number of patients
      2. Query name
   3. The query and its result will be stored and displayed in 'Previous Queries' tab
      1. You may revisit the query and result from the 'Previous Queries' 

1.2 Adding an AND term

Terms in different groups have logical AND relation.

[How to]

1. Find a Term
   
   1. Go to 'Navigate Terms' tab
   2. Click term folders to narrow down the concept
   3. If a target term is found, select the term
2. Drag and drop to 'Group 1'
   1. Drag the selected term into 'Query Tool > Group 1'
3. Find another Term
4. Drag and drop to 'Group 2'
   1. Drag the selected term into 'Query Tool > Group 2'
5. Run Query
   1. Click 'Query Tool > Run Query' → 'OK'
6. Get Result
   
   1. See the 'Graph Results' tab for the query result
   2. You may refer the information later from the 'Previous Queries' tab

[Example]

1. Find Acute respiratory infections
   1. Go to 'Navigate Terms' tab
   2. Select Diagnosis → Respiratory system → Acute respiratory infections
2. Drag and drop
   1. Drag the Acute respiratory infections term into 'Query Tool > Group 1'
3. Find Bronchodilators
   
   1. Go to 'Navigate Terms' tab
   2. Select Medications  → Respiratory agents  → Bronchodilators
4. Drag and drop
   1. Drag the Acute respiratory infections term into 'Query Tool > Group 2'
5. Run Query
   1. Click 'Query Tool > Run Query' → 'OK'
6. Get Results
   1. See the 'Graph Results' tab for the query result
   2. You may refer the information later from the 'Previous Queries' tab

1.3 Adding an OR term

Terms in the same group have logical OR relation.

[How to]

1. Find a Term
   
   1. Go to 'Navigate Terms' tab
   2. Click term folders to narrow down the concept
   3. If a target term is found, select the term
2. Drag and drop to 'Group 1'
   1. Drag the selected term into 'Query Tool > Group 1'
3. Find another Term
4. Drag and drop to 'Group 1'
   1. Drag the selected term into 'Query Tool > Group 1', again.
5. Run Query
   1. Click 'Query Tool > Run Query' → 'OK'
6. Get Result
   
   1. See the 'Graph Results' tab for the query result
   2. You may refer the information later from the 'Previous Queries' tab

[Example]