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Biomedical subjects

H Rosomoff

Publications and source records attributed to H Rosomoff.

12 recordsLinked to original sources

Validity of the dictionary of occupational titles residual functional capacity battery.

BACKGROUND DATA: The Dictionary of Occupational Titles (DOT) is a U.S. government publication that defines each job in the United States according to 20 job factors. Fishbain et al. (Spine 1994;19:872-80) developed a DOT residual functional capacity (RFC) battery whose predictive validity for employment/unemployment had not been tested previously. OBJECTIVES: The purposes of this study were as follows: (a) to determine whether results of a DOT-RFC battery performed at completion of pain facility treatment predicted employment status at 30 months' follow-up and (b) to determine whether the DOT-RFC battery predicted employment capacity as determined by the DOT employment levels of the chronic pain patients' (CPPs) jobs. STUDY DESIGN: This is a prospective low back pain CPP pain facility treatment study using employment status and the DOT occupational levels as outcome measures. METHODS: One hundred eighty-five consecutive CPPs who fitted the selection criteria completed a DOT-RFC battery at the completion of pain facility treatment and were contacted at 1, 3, 6, 12, 18, 24, and 30 months for determination of their employment status and DOT employment level. Eight DOT job factors plus pain and worker compensation status were found to be significantly different between employed and unemployed CPPs and between those employed in different DOT employment levels. For the 10 variables, stepwise discriminant analysis was used to select final predictor variables. Sensitivity and specificity were calculated along with pain level cutpoints that separated the groups. RESULTS: The eight DOT job factors found to be statistically significant between groups were the following: stooping, climbing, balancing, crouching, feeling shapes, handling left and right, lifting, carrying, and pain and worker compensation status. In the discriminant analysis, these variables could discriminate between the employed and unemployed categories, with a sensitivity and specificity of approximately 75%. The pain level cutpoint between employed and unemployed was 5.4 on a 10-point scale. CONCLUSIONS: We cannot as yet predict DOT-RFC employment levels. However, if a CPP can pass the above eight DOT job factors and has a pain level less than the 5.4 cutpoint, that CPP will have a 75% chance of being employed at 30 months after treatment at the pain facility. Therefore, some DOT-RFC battery job factors demonstrate a predictive validity in the "real work world."

Discriminant Analysis↗

"Movement" in work status after pain facility treatment.

STUDY DESIGN: This was a randomized prospective follow-up study of pain facility treatment of chronic pain patients with low back pain, with return to work and work capacity as the outcome measures. OBJECTIVES: To determine if after pain facility treatment chronic pain patients "move" in and out of work and in their work capacity; to determine the patterns of "movement;" and to determine the post-pain facility treatment follow-up sampling time points that would maximize the number of chronic pain patients correctly classified according to their final work and work capacity status. SUMMARY OF BACKGROUND DATA: Past research and empiric observation have indicated that chronic pain patients may "move" after pain facility treatment in and out of work and in their job work capacity. Such "movement" can affect the results of outcome studies. METHODS: Two hundred thirty-six consecutive chronic pain patients who fit study selection criteria were followed up at 1, 3, 6, 12, 18, 24, and 30 months after pain facility treatment for determination of work and work capacity status and separated according to the pattern of movement. Stepwise discriminant analysis was used to answer the study objectives. "Movement" in and out of work for these chronic pain patients also was compared with the US general population. RESULTS: Chronic pain patients demonstrated eight work and four work capacity movement patterns. The 24- and 1-month time points predicted final work status correctly for 97.0% and 77.0% of the chronic pain patients, respectively, whereas the most significant predictor for correct work capacity status was the 24-month point. The annual percentage change in employment status for these chronic pain patients was more than in the US general population. CONCLUSIONS: Because chronic pain patients "move" in and out of employment and for work capacity status after pain facility treatment, future outcome studies using these measures will have to consider carefully the impact of "movement" on their results.

Chronic Disease↗

Chronic pain patients and the nonorganic physical sign of nondermatomal sensory abnormalities (NDSA).

The nonorganic physical sign of nondermatomal sensory abnormalities (NDSA) is frequently found in chronic pain patients. The presence of NDSA qualifies the patient for a potential DSM-III diagnosis of conversion disorder. DSM-III (Axis I and II) diagnoses and personality styles were assigned to 283 mixed chronic pain patients. Discriminant analysis was used to identify diagnoses and personality styles significantly related to NDSA. The demographic variables of workers' compensation (WC) status, age, sex, and race were used as control variables. The discriminant function comprised all control variable, and psychiatric diagnoses accounted for only 22.1% of the variance. Age and WC status, i.e., the demographic variables, explained most of the variance (16.8%), with psychiatric diagnoses adding little (5.3%). The vast majority of the variance is unexplained, indicating the presence of "unexplained" factors for the presence of NDSA in chronic pain patients.

Adult↗

Completed suicide in chronic pain.

Although convergent lines of evidence indicate that one can expect a high rate of suicide completion for chronic pain patients, this problem has not previously been investigated. Follow-up data from our pain center revealed three chronic pain patients (two men and one woman) who completed suicide. These three cases are presented. The sequential nature of the data enabled us to calculate suicide rates for our chronic pain population and subsamples of this population: 16.5 women per year; 29.3 men per year; 57.1 white men and 34.9 white women in the age range of 35-64 years per year; and 78.6 white worker compensation men in the age range of 35-64 years per year. Calculation of the 95% confidence interval and comparison of these suicide rates to the general population of the United States using the Z statistic indicated that all chronic pain patient suicide rates were significantly greater than that of the general population. White men, white women, and white worker compensation men with chronic pain in the age range of 35-64 years are twice, three, and three times as likely, respectively, as their counterparts in the general population to die by suicide. Although no firm conclusions can be drawn because of the small suicide sample, these case reports indicate a need for further studies of chronic pain patient suicide rates at other pain centers.

Adult↗

Millon Behavioral Health Inventory norms for chronic pain patients.

The Millon Behavioral Health Inventory (MBHI) is being used more widely in pain treatment settings; however, normative data on a large sample of chronic pain patients have not been published. In the present study, norms were established for 247 chronic pain patients. The chronic pain patient norms then were compared statistically to norms for non-medical population. Overall, the results showed that the score distributions for chronic pain patients and normals were similar on most MBHI scales. The differences that were found are consistent with other research on pain patients and indicate that chronic pain patients are more likely to be depressed and anxious. Differences in scales between chronic pain patients and controls may be explained by state vs. trait factors. In evaluating chronic pain patients by personality tests, one needs to keep in mind state-trait problems and their potential influence on test results.

Adaptation, Psychological↗

DSM-III diagnoses of patients with myofascial pain syndrome (fibrositis).

Rheumatology centers report that chronic pain patients with myofascial pain (fibrositis) are prone to psychiatric pathology. However, the distribution of DSM-III diagnoses in this population is unknown. This distribution is reported for 238 chronic pain patients with fibrositis. Statistical comparisons of men and women were also made with regard to the prevalence of each diagnosis, and the results were compared to published DSM-III diagnoses prevalence data for mixed chronic pain patients and rheumatology fibrositis patients. In our sample, women with fibrositis were equally as likely as men with fibrositis to have current depression. Within the general chronic pain population, women are more likely to have current depression. The incidence of current major depression and current and past major depression was much lower in our fibrositis sample than that reported by rheumatology programs. These results indicate that there may be psychiatric differences between chronic pain patients with and without fibrositis. Fibrositis patients in rheumatology programs may also be psychiatrically different from chronic pain program patients with fibrositis.

Adult↗

Capgras syndrome associated with metrizamide myelography.

A case of Capgras' Syndrome secondary to an Organic Mental Disorder associated with metrizamide myelography is presented. The relationship of Capgras' symptom to reduplicative paramnesia and prosopagnosia is discussed.

Aged↗