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In a preliminary genome scan of 47 bipolar disorder families, we detected in one family a lod score of 3.41 at the PFKL locus on chromosome 21q22.3. The lod score is robust to marker allele frequencies, phenocopy rates and age-dependent penetrance, and remains strongly positive with changes in affection status. Fourteen other markers in 21q22.3 were tested on this family, with largely positive lod scores. Five of the other 46 families also show positive, but modest lod scores with PFKL. When all 47 families are analysed together, there is little support for linkage to PFKL under homogeneity or heterogeneity using lod score analysis, but the model-free affected-pedigree-member method yields statistically significant results (p < 0.0003). Our results are consistent with the presence of a gene in 21q22.3 predisposing at least one family to bipolar disorder.

The Comprehensive Assessment and Referral Evaluation (CARE) is a new assessment technique which is intended to reliably elicit, record, grade and classify information on the health and social problems of the older person. The CARE is basically a semi-structured interview guide and an inventory of defined ratings. It is designated comprehensive because it covers psychiatric, medical, nutritional, economic and social problems rather than the interests of only one professional discipline. The style, scope and scoring of the CARE makes it suitable for use with both patients and non-patients, and a potentially useful aid in determining whether an elderly person should be referred, and to whom, for a health or social service. The CARE can also be employed in evaluating the effectiveness of that service if given.

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