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HIM 400: EHR Go Knowledge Activity: Query – Average Length of Stay (Informatics) IK1035.4

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2025/2026 Written for academic year
Institution Southern New Hampshire University
Course HIM 400
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This informatics-level knowledge activity introduces health informatics and Health Information Management (HIM) students to calculating and analyzing Average Length of Stay (ALOS) using EHR data and query tools. ALOS is a key indicator of hospital efficiency, calculated by dividing the total number of inpatient days by the number of admissions or discharges during a given period, excluding day cases . Students work through a scenario where their employer is assessing ALOS across multiple facilities—General Hospital, Hillside Pediatric, and Valley View Therapy—over the past 24 months . Participants use the EHR Go queries tool to extract relevant inpatient data and then analyze the results using pivot tables in Microsoft Excel, comparing findings to national averages . The activity requires constructing queries that utilize group functions with both AND and OR logical operators . Prerequisites include completion of Query – Basic Orientation (Informatics) and Query – Advanced Orientation (Informatics), and proficiency in Microsoft Excel is required . This activity is part of the HIM 400 curriculum and uses de-identified data from multiple healthcare facilities.

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Questions
For Questions 1-18, answer each individually based on the values in your pivot table. PLEASE
NOTE: You do not need to turn in the pivot table for this assignment; only the answers to the
questions below will be assessed.

For General Hospital

1. What was the shortest length of stay in the 24-month period? 1 day

2. What was the longest length of stay in the 24-month period? 99 days

3. What was the average length of stay in the 24-month period? 4.5 days

4. What was the lowest cost of stay in the 24-month period? $211.00

5. What was the highest cost of stay in the 24-month period? $11,131.72

6. What was the average cost of stay in the 24-month period? $9520.15

For Hillside Pediatric

7. What was the shortest length of stay in the 24-month period? 1 day

8. What was the longest length of stay in the 24-month period? 108 days

9. What was the average length of stay in the 24-month period? 4.9 days

10. What was the lowest cost of stay in the 24-month period? $285.00

11. What was the highest cost of stay in the 24-month period? $13,231.66

12. What was the average cost of stay in the 24-month period? $10,726.18

For Valley View Therapy

13. What was the shortest length of stay in the 24-month period? 1 day

14. What was the longest length of stay in the 24-month period? 283 days



EHR Go Knowledge Activity: Query – Average Length of Stay (Informatics) IK1035.4 1
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Subjects

  • him 400 ehr go knowledge activity query averag
  • average length of stay alos health informatics
  • him 400 query tool data analytics
  • hospital efficiency inpatient data
  • pivot tables microsoft excel ehr go

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