Evaluation of the Mobile Acute Care of the Elderly (MACE) Unit

Study Type:	Observational
Study Design:	Observational Model: Cohort; Time Perspective: Prospective
Condition:	Model of Care for Hospitalized Older Adults

  Participant Flow

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Recruitment Details

Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
This is an observational study which enrolled patients hospitalized from November 2008 to August 2011 at the Mount Sinai Hospital from the MACE Service or general medical service.

Pre-Assignment Details

Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
No group assignment as this is observational.

Reporting Groups

	Description
MACE Group	Elderly patients admitted to the Mobile Acute Care of the Elderly Unit.
Usual Care Group	Elderly patients admitted to the general medicine service in the hospital

Participant Flow:   Overall Study

	MACE Group	Usual Care Group
STARTED	173	173
COMPLETED	173	173
NOT COMPLETED	0	0

  Baseline Characteristics

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Population Description

Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
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Reporting Groups

	Description
MACE Group	Elderly patients admitted to the Mobile Acute Care of the Elderly Unit.
Usual Care Group	Elderly patients admitted to the general medicine service in the hospital
Total	Total of all reporting groups

Baseline Measures

	MACE Group	Usual Care Group	Total
Overall Participants Analyzed; [Units: Participants]	173	173	346
Age; [Units: Years]; Mean (Standard Deviation)	85.2 (5.3)	84.7 (5.4)	85.0 (5.4)
Gender; [Units: Participants]
Female	132	126	258
Male	41	47	88
Region of Enrollment; [Units: Participants]
United States	173	173	346

  Outcome Measures

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1. Primary:

Length of Hospital Stay [ Time Frame: Depending on hospital stay ]

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2. Secondary:

Rehospitalization Rate [ Time Frame: 30 days ]

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  Serious Adverse Events

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  Other Adverse Events

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  Limitations and Caveats

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Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
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  More Information

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Certain Agreements:  

All Principal Investigators ARE employed by the organization sponsoring the study.

Results Point of Contact:  

Name/Title: Dr. William Hung
Organization: Icahn School of Medicine at Mount Sinai
phone: 718-584-9000
e-mail: william.hung@mssm.edu

Publications:

Landefeld CS, Palmer RM, Kresevic DM, Fortinsky RH, Kowal J. A randomized trial of care in a hospital medical unit especially designed to improve the functional outcomes of acutely ill older patients. N Engl J Med. 1995 May 18;332(20):1338-44.

Charpentier PA, Bogardus ST, Inouye SK. An algorithm for prospective individual matching in a non-randomized clinical trial. J Clin Epidemiol. 2001 Nov;54(11):1166-73.

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Hung WW, Ross JS, Farber J, Siu AL. Evaluation of the Mobile Acute Care of the Elderly (MACE) service. JAMA Intern Med. 2013 Jun 10;173(11):990-6. doi: 10.1001/jamainternmed.2013.478.

Responsible Party:	Icahn School of Medicine at Mount Sinai
ClinicalTrials.gov Identifier:	NCT00927160 History of Changes
Other Study ID Numbers:	08-0272
First Submitted:	June 22, 2009
First Posted:	June 24, 2009
Results First Submitted:	June 7, 2013
Results First Posted:	August 14, 2013
Last Update Posted:	August 23, 2013