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Evidence-Based Reviews

Every patient, every visit: Routine tests yield clinically useful data

Mining your database can reveal response patterns, improve patient outcomes.

Vol. 7, No. 6 / June 2008

General psychiatry practitioners such as myself traditionally have relied on writing case reports to describe our clinical experience. One obstacle to getting cases published is that many research journals require submitted articles to include large samples and rating scales as measures of change in the conditions of patients being studied.

I have published articles about my clinical experiences using patient data collected with the Clinical Global Impressions (CGI) scale and other standardized tests. Research instruments such as the CGI can gather empiric data and are easy to use in clinical practice.1

This article describes how routine standardized testing provides useful data for research and improves diagnostic accuracy—and patient outcomes—even before I meet my patients for the first time.

Why use standardized tests?

Benefits. All my new patients undergo screening before their first face-to-face meeting with a psychiatrist. This registration visit takes about 2 hours, after which they are scheduled for an appointment based on clinical urgency. We charge no fee for the screening visit; the benefits of gathering a comprehensive database before the clinical evaluation outweigh the cost of the tests, software, and staff time.

Along with completing insurance and biographical paperwork, patients perform self-administered psychosocial and medical histories and a battery of standardized tests. This information allows me to focus on interpersonal issues—rather than fact-finding—during the first interview. It also ensures a comprehensive patient history.

Box 1

Unipolar or bipolar depression? Mini-SCID can help with diagnosis

Bipolar disorder is difficult to diagnose in patients presenting with depressive symptoms. In a 5-year chart review,2 we used data from Structured Clinical Interview for DSM-IV (Mini-SCID) screening tests to assess this tool’s usefulness in diagnosing depressed patients. Data also included each patient’s demographic information, initial clinical diagnosis, current clinical diagnosis, and Symptom Checklist-90 (SCL-90) results.

Among 796 patients who took the Mini-SCID at their initial visit, 256 had a current clinical diagnosis of bipolar disorder and 540 had nonbipolar diagnoses. The Mini-SCID had a sensitivity of 0.58 and specificity of 0.63 in predicting a current diagnosis of bipolarity. This compared with a sensitivity of 0.35 and specificity of 0.98 for the clinician’s initial diagnosis. Among patients with bipolar II disorder, the MiniSCID’s sensitivity was 0.55, compared with 0.20 for the clinician’s initial diagnosis.

Patients who endorsed mania/hypomania on the Mini-SCID yet had a diagnosis of nonbipolar illness had SCL-90 profiles more like those of bipolar than unipolar patients. Therefore, using the Mini-SCID with the SCL-90 might improve in-office recognition of bipolar illness.

Using standardized tests has given our practice a positive image in the community. Repeated outcome measures also reinforce to patients that our practice provides up-to-date, comprehensive care.

Limitations. One limitation to using rating scales to publish experiences in clinical practice is that clinical need, rather than a research protocol, determines the frequency of visits. Another is that we ask patients to rate symptoms they experience in the week before office visits. Thus, the data do not capture changes that occurred in other weeks.

Standardized tests we use

Except for the Quick Inventory of Depressive Symptomatology (QIDS), I selected the tests I use in the late 1980s because of:

  • their ease of use and affordability
  • my familiarity with them from my academic work
  • their suitability for a mood disorder clinical practice such as mine.

Other tests are available; the point is to select affordable tools for baseline assessment and repeated measurement of change.

Psychosocial history. Patients use an office computer to complete a questionnaire about family and developmental history, financial and employment history, education, health, alcohol and drug history, current stressors, and the presenting problem. Software from Multi-Health Systems (See Related Resources) allows me to add or remove questions as needed.

To ensure privacy when the next patient uses the computer, each patient’s report is deleted after it is printed. I receive the printed report, which details all responses and flags those that may require clarification.

Medical history. A standardized form asks patients about whether they have had most common medical conditions, their present symptoms, and family members’ health. An additional form inquires into psychiatric treatment, family history of psychiatric illnesses, and present medications.

Mini-SCID. The Mini-SCID has several advantages over the Structured Clinical Interview for DSM (SCID):

  • Patients self-administer the test on a computer at the office.
  • For research purposes, Mini-SCID results are protected from clinician biases because patients are interviewed using uniform questions and circumstances.

The clinician receives a printed report that assesses the likelihood of 21 DSM-IV diagnoses, including past or current depression, mania, dysthymia, panic disorder, agoraphobia, obsessive-compulsive disorder, social phobia, simple phobia, generalized anxiety disorder, somatoform disorder, delusions, hallucinations, alcohol and substance abuse, anorexia, bulimia, hypochondriasis, posttraumatic stress disorder, and body dysmorphic disorder.

Box 2

TEMPS shows value in early detection of bipolar disorder

Being able to identify the bipolar nature of a depressive episode leads to better treatment and outcomes. In our private psychiatric clinic, we used the 39-item Temperament Evaluation of Memphis, Pisa, Paris and San Diego (TEMPS) to screen for temperaments of 783 consecutive mood disorder outpatients. We also examined their demographic information, clinical diagnoses by the treating psychiatrist, and Clinical Global Impressions (CGI) scores to measure response to treatment.6

  • Patients with bipolar disorder scored significantly higher on cyclothymia, depression, and irritability scales, compared with patients diagnosed with unipolar depression.
  • Bipolar II patients scored significantly higher on the same 3 scales than did patients with bipolar I disorder or unipolar depression.

Patients with higher cyclothymia scores tended also to have higher CGI-C scores, indicating greater treatment resistance.

By analyzing Mini-SCID data from >1,000 of our outpatients, we learned that this screening test can improve our diagnosis of bipolar disorder in patients presenting with depressive symptoms (Box 1).2

Symptom Checklist-90 (SCL-90). This tool adds another layer of support for bipolar illness diagnosis (Box 1). It also is useful in conjunction with rating scales specific to other diagnostic categories, such as depression and anxiety.

The SCL-903 consists of 90 statements that measure the severity of 9 dimensions of psychopathology: somatization, obsession-compulsion, interpersonal sensitivity, depression, anxiety, hostility, phobic anxiety, paranoid ideation, and psychoticism. Using a scale of 0 (not at all) to 4 (a great deal), patients rate how much they are bothered by the feelings expressed in each statement.

In its standard scoring, the SCL-90 returns a score for 9 scales. Hunter et al4 developed an alternate set of 8 scales that uses SCL-90 questions to screen for depression, mania, schizophrenia, antisocial personality disorder, somatization disorder, obsessive-compulsive disorder, panic disorder, and agoraphobia. These SCL-90 diagnostic scales showed good reliability as an aid to the Mini-SCID in identifying diagnoses among 1,457 adult psychiatric outpatients.

Temperament evaluation. The Temperament Evaluation of Memphis, Pisa, Paris and San Diego (TEMPS) is a 39-item, self-report scale designed to measure 5 different temperaments: cyclothymic, depressive, irritable, hyperthymic, and anxious.5 It is especially useful for identifying bipolar spectrum patients (Box 2).6

Clinical Global Impressions scale. The CGI uses a 7-point Likert scale to describe the clinician’s impression of change in a patient’s condition. This scale:

  • transcends symptom checklists by incorporating knowledge of the patient’s history, symptoms, and behaviors
  • lends itself easily to repeated measures of change and severity of the condition being rated.1

I use the CGI-Severity scale for baseline assessment and the CGI-Change when I see patients on follow-up.

Every office visit

At the screening visit and before every office visit, my patients complete 2 depression rating tests to document changes between visits and over time: a visual analog scale (VAS) and the QIDS.

The VAS’ 10-cm line with the left side marked “worst ever” and the right side marked “best ever” is a simple tool. It captures patients’ subjective impressions of their mood states in answer to the question, “How do you feel today?” I used the VAS as an outcome measure in a study of modafinil augmentation of antidepressant therapy.7

The QIDS is a 16-item screen that measures 9 depressive symptoms.8 It has been validated against the Hamilton Depression Rating Scale (HAM-D)9 and was used as the outcome measure in the Sequenced Treatment Alternatives to Relieve Depression (STAR*D) trial.10 The QIDS-16 is available online for free use in many languages (see Related Resources).11

The QIDS-16 allows you to track the severity of each depressive symptom and provides an overall depression score. It includes 3 questions on insomnia (for early, middle, and late symptoms) and 1 on hypersomnia. Routine use of the QIDS-16 provided data for a poster on the high frequency of persistent insomnia in 145 consecutive outpatients in our practice whose depressive symptoms were in remission.12

Until recently, our office performed routine depression screening with the 52-item Carroll Depression Rating Scale (CDRS),13 a self-administered inventory designed to mirror results from the HAM-D. I published articles using the CDRS as the primary outcome measure in a chart review of long-term effectiveness of antidepressant monotherapy (Box 3)13,14 and in a study of modafinil’s effectiveness as adjunctive therapy in patients with unipolar depression.7

Box 3

Antidepressant efficacy in unipolar depression

The Carroll Depression Rating Scale (CDRS) is lengthy (52 items), but its self-rating yes/no format makes it easy to administer and score.13 We used the CDRS as the primary outcome measure in a chart review of long-term effectiveness of antidepressant monotherapy in 346 patients with unipolar depression.14

Using baseline and follow-up CDRS scores over 5 years, we examined:

  • changes in scores
  • which medications most rapidly brought about remission (defined as CDRS score ≤7)
  • which medication was most effective in preventing relapse.

We found that sertraline and to a lesser extent paroxetine were more effective than several other antidepressants in achieving remission and preventing relapse.

Logistical concerns

Patient feedback. Although some patients complain about having to complete depression rating scales at every visit, most accept this as equivalent to having routine blood pressure measurements. Many become interested in tracking their improvement by test scores in addition to subjective feelings.

Related resources

  • Multi-Health Systems. Publishers of mental health assessment tools.
  • Inventory of Depressive Symptomatology (IDS) and Quick Inventory of Depressive Symptomatology (QIDS).

Drug brand names

  • Modafinil • Provigil
  • Paroxetine • Paxil
  • Sertraline • Zoloft


Dr. Nasr is a speaker for Takeda Pharmaceutical Company, Pfizer Inc, Eli Lilly and Company, Bristol-Myers Squibb, Forest Pharmaceuticals, and GlaxoSmithKline.


Dr. Nasr acknowledges the contribution of research assistant Burdette J. Wendt, who collects and analyzes the data referenced above and helped prepare this manuscript.

HIPAA. The Health Insurance Portability and Accountability Act (HIPAA) allows publication of large-scale studies that do not identify patients individually. We also obtained permission from the local Institutional Review Board to disseminate non-identifying cumulative data.


1. Busner J, Targum SD. The Clinical Global Impressions Scale: applying a research tool in clinical practice. Psychiatry 2007 2007;4(7):28-37.

2. Nasr S, Popli A, Wendt B. Can the MiniSCID improve the detection of bipolarity in private practice? J Affect Disord 2005;86:289-93.

3. Derogatis LR, Lipman RS, Covi L. SCL-90: an outpatient psychiatric rating scale—preliminary report. Psychopharmacol Bull 1973;9(1):13-28.

4. Hunter E, Penick E, Powell B, et al. Development of scales to screen for eight common psychiatric disorders. J Nerv Ment Dis 2005;193:131-5.

5. Akiskal HS, Akiskal KK, Haykal RF, et al. TEMPS-A: progress towards validation of a self-rated clinical version of the Temperament Evaluation of the Memphis, Pisa, Paris, and San Diego Autoquestionnaire. J Affect Disord 2005;85:3-16.

6. Nasr S, Wendt B. The TEMPS in outpatient practice. Poster presented at: Annual Meeting of the American Psychiatric Association; May 23, 2007; San Diego, CA.

7. Nasr S. Modafinil as adjunctive therapy in depressed outpatients. Ann Clin Psychiatry 2004;16:133-8.

8. Rush AJ, Trivedi MH, Ibrahim HM, et al. The 16-item Quick Inventory of Depressive Symptomatology (QIDS) clinician rating (QIDS-C) and self-report (QIDS-SR): a psychometric evaluation in patients with chronic major depression. Biol Psychiatry 2003;54:573-83.

9. Rush AJ, Gullion CM, Basco MR, et al. The Inventory of Depressive Symptomatology (IDS): psychometric properties. Psychol Med 1996;26:477-86.

10. Rush AJ, Trivedi MH, Wisniewski SR, et al. Acute and longer-term outcomes in depressed outpatients requiring one or several treatment steps: a STAR*D report. Am J Psychiatry 2006;163(11):1905-17.

11. IDS/QIDS. Instruments in English and multiple translations. University of Pittsburgh Epidemiology Data Center. Available at: Accessed March 7, 2008.

12. Nasr S, Wendt B. Sleeplessness despite remission in depressed outpatients. Poster presented at: Annual Meeting of the American Psychiatric Association; May 23, 2007; San Diego, CA.

13. Carroll BJM, Feinberg M, Smouse PE, et al. The Carroll rating scale for depression. I. Development, reliability and validation. Br J Psychiatry 1981;138:194-200.

14. Nasr S, Wendt B. Five-year comparison of antidepressant monotherapy. Int J Psychiatry Clin Pract 2006;10:297-9.

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