Measuring Patient Self Reported Outcomes


The 32-item Behavior and Symptom Identification Scale, BASIS-32®, the predecessor of the BASIS-24®, continues to be a leading behavioral health assessment tool. It is well-known and highly esteemed for its comprehensive outcomes measurement capability, as well as for its grounding in scientific methods of instrument development and validation.

The BASIS-32® measures the change in self-reported symptom and problem difficulty over the course of treatment. A brief yet comprehensive instrument, BASIS-32® cuts across diagnoses by identifying a wide range of symptoms and problems that occur across the diagnostic spectrum. Validated and found reliable in both inpatient and outpatient settings, BASIS-32® assesses treatment outcomes from the patient perspective. Typically, BASIS-32® is given at admission and discharge for hospital-based episodes of care, and at intake/initiation of treatment and then periodically thereafter in ambulatory care settings.

Scoring the 32 items provides summary indicators of how patients feel before and after receiving care. The survey measures the degree of difficulty experienced by the patient during a one-week period on a five-point scale ranging from no difficulty to extreme difficulty. The survey is scored using an algorithm that gives an overall score with five subscales for the following domains of psychiatric and substance abuse symptoms and functioning: Relation to Self and Others, Depression and Anxiety, Daily Living and Role Functioning, Impulsive and Addictive Behavior, Psychosis.

The survey has received several outcomes and quality assessment awards, including the:

  • Blue Ribbon Award, New England Healthcare Assembly, 1996

  • Partners in Excellence Award, Partners Healthcare System, Inc., 1996

  • Medical Outcomes Trust Scientific Advisory Committee and Board of Trustees, 1997. Incorporated into the Trust's library of internationally available outcomes measurement instruments.