dsm5_ptsd_criteria: DSM-5 Criteria for Posttraumatic Stress Disorder (PTSD)

In cliot: Clinical Indices and Outcomes Tools

DSM-5 Criteria for Posttraumatic Stress Disorder (PTSD)

Description

Evaluates the DSM-5 diagnostic criteria for PTSD. Diagnosis requires specific thresholds of symptoms in four clusters (Intrusion, Avoidance, Negative Alterations in Cognition/Mood, and Arousal/Reactivity) following exposure to a traumatic event, lasting more than 1 month, and causing functional impairment.

Usage

dsm5_ptsd_criteria(exposure_criterion_a, intrusion_count_b, avoidance_count_c,
                   cognition_mood_count_d, arousal_reactivity_count_e,
                   duration_gt_1month, distress_impairment,
                   exclusion_criteria_ruled_out, dissociative_symptoms = 0)

Arguments

exposure_criterion_a	Numeric (0 or 1). Exposure to actual or threatened death, serious injury, or sexual violence. (1 = Yes).
intrusion_count_b	Numeric. Number of intrusion symptoms present (e.g., memories, dreams, flashbacks). (Need >= 1).
avoidance_count_c	Numeric. Number of avoidance symptoms present. (Need >= 1).
cognition_mood_count_d	Numeric. Number of negative alterations in cognitions and mood present. (Need >= 2).
arousal_reactivity_count_e	Numeric. Number of alterations in arousal and reactivity present. (Need >= 2).
duration_gt_1month	Numeric (0 or 1). Duration of disturbance is more than 1 month. (1 = Yes).
distress_impairment	Numeric (0 or 1). Disturbance causes clinically significant distress or impairment. (1 = Yes).
exclusion_criteria_ruled_out	Numeric (0 or 1). Disturbance is not attributable to substance use or other medical condition. (1 = Yes).
dissociative_symptoms	Numeric (0 or 1). Presence of depersonalization or derealization. (1 = Yes).

Value

A list containing:

Diagnosis	"Criteria Met" or "Criteria Not Met".
Subtype	Specification if dissociative symptoms are present.
Missing_Criteria	List of criteria groups that were not satisfied.

References

American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. 5th ed. Arlington, VA: American Psychiatric Association; 2013.

Examples

# Example 1: Diagnosis Met
# Stressor(1), 2 Intrusions, 1 Avoidance, 3 Mood, 2 Arousal, >1mo(1), Impaired(1), Exclusions(1)
dsm5_ptsd_criteria(1, 2, 1, 3, 2, 1, 1, 1)

# Example 2: Criteria Not Met (Insufficient Avoidance)
# Stressor(1), 2 Intrusions, 0 Avoidance, 2 Mood, 2 Arousal, >1mo(1), Impaired(1), Exclusions(1)
dsm5_ptsd_criteria(1, 2, 0, 2, 2, 1, 1, 1)

cliot documentation built on Dec. 1, 2025, 1:06 a.m.