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Explanation and Clinical Context The PHQ 2 is a brief validated screening instrument designed to identify patients who may be experiencing depressive symptoms. It consists of two core questions that reflect the cardinal features of major depressive disorder which are decreased interest or anhedonia and persistent sadness. Each item is scored from zero to three based on symptom frequency over the previous two weeks an
PHQ 9 Depression Score Explanation and Clinical Context PHQ 9 is a validated questionnaire used worldwide to screen the presence and severity of depressive symptoms. It evaluates nine core symptoms that reflect the diagnostic criteria of major depressive disorder. Each item is scored from zero to three and the total score ranges from zero to twenty seven. Scores correlate with the severity of depression and guide cli
PTSD Checklist PCL Five Explanation and Clinical Context PCL Five is a validated self report instrument that measures symptoms associated with post traumatic stress disorder based on DSM Five criteria. It evaluates intrusion avoidance negative alterations in cognition and mood and arousal symptoms. Respondents rate the severity of each symptom over the past month using a scale from zero not at all to four extremely.