Post Traumatic Stress Disorder (PCL-C)

17 question self-report for Post Traumatic Stress Disorder

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1.In the past month, how much were you bothered by repeated, disturbing memories, thoughts, or images of a stressful experience from the past?
2.In the past month, how much were you bothered by repeated, disturbing dreams of a stressful experience from the past?
3.In the past month, how much were you bothered by suddenly acting or feeling as if a stressful experience were happening again (as if you were reliving it)?
4.In the past month, how much were you bothered by feeling very upset when something reminded you of a stressful experience from the past?
5.In the past month, how much were you bothered by having physical reactions (e.g., heart pounding, trouble breathing, sweating) when something reminded you of a stressful experience from the past?
6.In the past month, how much were you bothered by avoiding memories, thoughts, or feelings related to the stressful experience?
7.In the past month, how much were you bothered by avoiding activities or situations because they reminded you of a stressful experience from the past?
8.In the past month, how much were you bothered by trouble remembering important parts of a stressful experience from the past?
9.In the past month, how much were you bothered by loss of interest in activities that you used to enjoy?
10.In the past month, how much were you bothered by feeling distant or cut off from other people?
11.In the past month, how much were you bothered by feeling emotionally numb or being unable to have loving feelings for those close to you?
12.In the past month, how much were you bothered by feeling as if your future will somehow be cut short?
13.In the past month, how much were you bothered by trouble falling or staying asleep?
14.In the past month, how much were you bothered by feeling irritable or having angry outbursts?
15.In the past month, how much were you bothered by having difficulty concentrating?
16.In the past month, how much were you bothered by being “superalert” or watchful or on guard?
17.In the past month, how much were you bothered by feeling jumpy or easily startled?
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1. In the past month, how much were you bothered by repeated, disturbing memories, thoughts, or images of a stressful experience from the past?

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About this Calculator

The Posttraumatic Stress Disorder Checklist (PCL) is a commonly used international (Bosnian, Chinese and Spanish) questionnaire to aid in the of diagnosis Post Traumatic Stress Disorder in conjunction with a clinical interview. It’s used often for military (PCL-M) but civilian (PCL-C), and specific trauma (PCL-S) versions exist. The PCL-C is a 17-item self-report checklist of PTSD symptoms based closely on the DSM-IV criteria. The PCL is a self-report instrument and can be completed in approximately 5-10 minutes.

The PCL-C (civilian) asks about symptoms in relation to generic “stressful experiences” and can be used with any population. This version simplifies assessment based on multiple traumas because symptom endorsements are not attributed to a specific event. In many circumstances it is advisable to also assess traumatic event exposure to ensure that a respondent has experienced at least one event that meets DSM-IV Criterion A.

This questionnaire has been well studied and well-validated measures for clinical use and has demonstrated strong psychometric properties. The PCL shows good temporal stability, internal consistency, test-retest reliability, sensitivity, specificity and convergent validity. The PCL correlates positively with the Mississippi PTSD Scale and MMPI-2 Keane PTSD Scale.

A cutoff score of 50 has demonstrated good sensitivity (.78 to .82) and specificity (.83 to .86). Lowering the cutoff score to 44 revealed better sensitivity (.94), specificity (.86) and overall diagnostic efficiency (.90). The lowest cutoffs of 28-30 were highly sensitive to the presence of PTSD (.98-.99). Even with good specificity and sensitivity it’s important to keep in mind if you are using the PCL as a screening tool, false positives can include Delusional disorder, Obsessive-compulsive disorder, Intermittent Explosive Disorder, Attention Deficit Hyperactivity Disorder, and Personality Disorders such as Borderline Personality Disorder.

References

Lang AJ, Wilkins K, Roy-byrne PP, et al.

Abbreviated PTSD Checklist (PCL) as a guide to clinical response.

General Hospital Psychiatry 2012, 34 (4): 332-8

Wilkins KC, Lang AJ, Norman SB.

Synthesis of the psychometric properties of the PTSD checklist (PCL) military, civilian, and specific versions.

Depression and Anxiety 2011, 28 (7): 596-606

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