1.1 Basic Query

[How to]

1. Find a term
   1. Go to 'Navigate Terms' tab
   2. Click folders to expand the lists of terms
   3. Select a 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' panel

1.2 Adding an AND term

Terms in different groups have a logical AND relationship. When terms are combined with the AND operator, retrieved records must contain all the terms. 

[How to]

1. Find a Term
   
   1. Go to 'Navigate Terms' tab
   2. Click term folders to narrow down the concept
   3. Select a 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. The query is now stored in the 'Previous Queries' panel

[Example]

1. Find Acute respiratory infections
   1. Go to 'Navigate Terms' panel
   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' panel
   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. The query is now stored in the 'Previous Queries' panel

1.3 Adding an OR term

Terms in the same group have a logical OR relationship.  When terms are combined with the OR operator, retrieved records will contain either or both terms.

[How to]

1. Find a Term
   
   1. Go to 'Navigate Terms' panel
   2. Click term folders to narrow down the concept
   3. Select a 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. The query is now stored in the 'Previous Queries' panel

[Example]