Marked Lability in Urinary Cortisol Levels in Subgroups of Combat Veterans With Posttraumatic Stress Disorder During an Intensive Exposure Treatment Program
John W. Mason, MD,
Sheila Wang, PhD,
Rachel Yehuda, PhD,
Hadar Lubin, MD,
David Johnson, PhD,
J. Douglas Bremner, MD,
Dennis Charney, MD and
Steven Southwick, MD
From the Department of Psychiatry, Yale University School of Medicine, New Haven, and National Center for PTSD, Clinical Neuroscience Division, Veterans Affairs Medical Center, West Haven, CT (J.M., S.W., H.L., D.J., J.D.B., D.C., S.S.); and the Department of Psychiatry, Mount Sinai Medical School, New York, and Bronx Veterans Affairs Hospital, Bronx, NY.

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Fig. 1. Marked lability in urinary cortisol levels in individual PTSD inpatients participating in an intensive 3-month treatment and research program in the National Center for PTSD (N = 51).
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Fig. 2. Direction and magnitude of urinary cortisol level change in individual PTSD inpatients between the period of hospital admission and the midcourse period representing the peak of group and exposure treatment. The delta value was calculated as the midcourse value minus the admission value. Three subgroups (sg-A, sg-B, sg-C) are defined on the basis of dividing the distribution curve into terciles: sg-A = bottom tercile subgroup with greatest decreases; sg-B = middle tercile subgroup with the least amount of changes; sg-C = top tercile with greatest increases.
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Fig. 3. Marked differences in longitudinal urinary cortisol lability patterns in PTSD patient subgroups participating in an intensive 3-month treatment and research program in the National Center for PTSD. PTSD inpatient subgroups are based on cortisol change from admission to midcourse: sg-A = bottom tercile subgroup with greatest decreases; sg-B = middle tercile subgroup with the least amount of changes; sg-C = top tercile with greatest increases; pilot = pilot study sample involving a much less intensive clinical setting.
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Copyright © 2002 by the American Psychosomatic Society