ED Overcrowding Validation Study

NCT02754245 | Terminated

• 1 other identifier: 014-013
• Study Type: observational
• Target: 7,000
• Locations: 0 countries
• Sites: N/A

Brief Summary

The aim of this study is to externally validate a new emergency department overcrowding estimation tool (SONET) developed at John Peter Smith Health Network (JPS).

Conditions

Emergency Department Overcrowding

Keywords

multicenter study; emergency department; overcrowding status; estimation tool; validation

Outcome Measures

Primary Outcomes (5)

• left without being seen disposition chart review

  LWBS refers to patients who have been called at least three times, using 20 minute intervals, to occupy an ED exam bed, however, do not respond. If after the third attempt the patient responds, the investigators will consider this a new patient registration/encounter. These data will be collected for each patient during the study period during initial ED registration and upon ED disposition.

  30 days

• emergency department 72 hour return chart review

  ED 72h return will be defined to patients who re-register to the same ED as a new patient (unplanned) within 72h of a previous departure, regardless of the complaint. Planned ED revisits within 72h will be excluded. These data will be collected during initial ED registration during study period and will follow up each patient at least 72h post-discharge.

  30 days

• emergency department mortality

  30 days

• hospital mortality

  30 days

• emergency department length of stay

  30 days

Secondary Outcomes (2)

• patient satisfaction survey

  30 days

• physician empathy scale

  30 days

Study Arms (6)

JPS

study sample at JPS included for analysis

BUMC Dallas

study sample at Baylor University Medical Center Dallas included for analysis

BUMC at Gardin

study sample at Baylor University Medical Center Gardin included for analysis

BUMC Waxahachie

study sample at Baylor University Medical Center Waxahachie included for analysis

BUMC Carrolton

study sample at Baylor University Medical Center Carrolton included for analysis

BUMC McKinney

study sample at Baylor University Medical Center McKinney included for analysis

Eligibility Criteria

• Age: 18 Years - 100 Years
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Probability Sample

Study Population

all adult patients visiting any one of the six participating sites (one JPS ED or urgent care clinic or one of five Baylor emergency departments or urgent care clinics) during the allocated one month time period

You may qualify if:

• all adult patients visiting the emergency department or urgent care clinic at any one of the six participating sites during the allocated one month time period

Sponsors & Collaborators

• Baylor Research Institute: lead
• JPS Health Network: collaborator
• Baylor University: collaborator

Related Publications (6)

• Bernstein SL, Verghese V, Leung W, Lunney AT, Perez I. Development and validation of a new index to measure emergency department crowding. Acad Emerg Med. 2003 Sep;10(9):938-42. doi: 10.1111/j.1553-2712.2003.tb00647.x.

  PMID: 12957975 BACKGROUND

• Weiss SJ, Derlet R, Arndahl J, Ernst AA, Richards J, Fernandez-Frackelton M, Schwab R, Stair TO, Vicellio P, Levy D, Brautigan M, Johnson A, Nick TG. Estimating the degree of emergency department overcrowding in academic medical centers: results of the National ED Overcrowding Study (NEDOCS). Acad Emerg Med. 2004 Jan;11(1):38-50. doi: 10.1197/j.aem.2003.07.017.

  PMID: 14709427 BACKGROUND

• Epstein SK, Tian L. Development of an emergency department work score to predict ambulance diversion. Acad Emerg Med. 2006 Apr;13(4):421-6. doi: 10.1197/j.aem.2005.11.081.

  PMID: 16581932 BACKGROUND

• McCarthy ML, Aronsky D, Jones ID, Miner JR, Band RA, Baren JM, Desmond JS, Baumlin KM, Ding R, Shesser R. The emergency department occupancy rate: a simple measure of emergency department crowding? Ann Emerg Med. 2008 Jan;51(1):15-24, 24.e1-2. doi: 10.1016/j.annemergmed.2007.09.003. Epub 2007 Nov 5.

  PMID: 17980458 BACKGROUND

• Jones SS, Allen TL, Flottemesch TJ, Welch SJ. An independent evaluation of four quantitative emergency department crowding scales. Acad Emerg Med. 2006 Nov;13(11):1204-11. doi: 10.1197/j.aem.2006.05.021. Epub 2006 Aug 10.

  PMID: 16902050 BACKGROUND

• Wang H, Robinson RD, Garrett JS, Bunch K, Huggins CA, Watson K, Daniels J, Banks B, D'Etienne JP, Zenarosa NR. Use of the SONET Score to Evaluate High Volume Emergency Department Overcrowding: A Prospective Derivation and Validation Study. Emerg Med Int. 2015;2015:401757. doi: 10.1155/2015/401757. Epub 2015 Jun 8.

  PMID: 26167302 BACKGROUND

MeSH Terms

Conditions

Emergencies

Condition Hierarchy (Ancestors)

Disease Attributes; Pathologic Processes; Pathological Conditions, Signs and Symptoms

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: April 20, 2016
• First Posted: April 28, 2016
• Study Start: November 14, 2016
• Primary Completion: January 31, 2017
• Study Completion: March 1, 2019
• Last Updated: February 18, 2026

Record last verified: 2025-11

Data Sharing

• IPD Sharing: Will not share