Knowledge Item: CA-Medical Outcomes-01
Patient Health Indicators Near Enrollment by Client Need and
Vulnerability Categories
This Knowledge Item shows the
levels of three medical indicators of the stage of HIV disease–viral loads, CD4 counts, and CD4
classification categories–for
patients at the first time they were assessed by the medical programs.
These indicators give information about the stage of disease for the
patients when they came into these programs. An additional clinical
measure–the physician's severity rating using the Karnofsky index–is also presented. The levels in these four medical indicators are
related to a series of indicators of service need and vulnerability
status. Several of the service need and vulnerability factors are
related to the medical status indicators.
Women enter the programs with
higher CD4 counts.
Women enter the programs with
higher Karnofsky severity ratings (indicative of good functioning).
Women enter the programs at the
higher CDC CD4 categories.
Note: The CD4 categories
used here are based on the 1993
guidelines published in MMWR on December 18, 1992 for the three
categories of CD4 of 500 or more, 200 - 499, and less than 200. The
latter category has been further differentiated by adding a category of
CD4 < 50 because of the clinical utility of this category for
clinical decisions (see Bartlett's Medical
Management of HIV Infection). The CD4 classifications are based
on a test made on the same date; unlike the classifications used in some
clinical trials and CDC publications, the values given are not nadir
(minimum lifetime) values.
At the
time of the first assessment of viral loads, women and men had about the
same viral loads (within methods of assessment).
More Information:
CHAID and CHAID Diagram
Knowledge Item Citation: Huba, G. J., Melchior, L. A., Panter, A. T., and the HRSA/HAB SPNS Cooperative Agreement Steering Committee (1998-2001). Knowledge Item: CA-Medical Outcomes-01 from
HRSA/HAB's SPNS Cooperative Agreements on Innovative Models of Care, The Measurement Group Knowledge Base on HIV/AIDS Care, Online at www.TheMeasurementGroup.com.
Last Updated:
March 25, 2005; data through
June 15, 1999; analyses conducted February - October 2000.
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