Physician norms for the Automated Neuropsychological Assessment Metrics (ANAM)

Abstract

INTRODUCTION: The development of population specific norms for the Automated Neuropsychological Assessment Metrics (ANAM) is to help expand the utility for use with other population groups. Currently, normative data are available for general military, special operations, athletic, and community populations. The current study provides normative reference values for use in assessing physicians. MATERIALS AND METHODS: Retrospective data from a sample of 2,288 physicians who completed the ANAM were examined. The data were gathered from practicing civilian physicians serving in the National Guard or Reserves who completed the assessment as part of the mandated Department of Defense clinical testing policy. The effects of age and sex on performance were examined for all subtests. Normative tables were stratified by age (23-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-79) and sex. Base rates of low scores among the physician population were also examined. RESULTS: Older age was associated with lower performance on all subtests with small-to-medium effect sizes. A mixed pattern of performance was observed as a factor of sex with females scoring better on one subtest and males scoring better on three subtests. However, effects sizes associated with sex were small and likely of minimal clinical significance. A total of 11.3% of the physician sample scored below average on two or more tests in the battery. CONCLUSIONS: This study provides normative data for practicing physicians that can be used to help inform clinical decision-making.

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