PubMed · 13220714
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F HAMMER. 1954. [Adjustment errors in transverse tomograms].. https://pubmed.ncbi.nlm.nih.gov/13220714/
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BACKGROUND: The objective of the present study is to compare the impact on the general and disease-specific health related quality of life (HRQOL) of external radiation therapy (ERT) with radical prostatectomy (RP) in patients with localized prostate cancer, and to explore which factors, and to what extent, contribute to the assessed changes in HRQOL. METHODS: One hundred and thirty eight patients participated in this prospective longitudinal study. They completed before treatment (T0) and after 12 months (T1) a questionnaire constructed of validated instruments, measuring HRQOL and several psychosocial factors (PF). Among other things, multiple regression analyses including all baseline characteristics, HRQOL and PF were executed in order to meet the objectives. RESULTS: RP patients showed significantly more improvement in their emotional function, while they reported more incontinence and a worse sexual function. There was significantly more improvement in the overall HRQOL of ERT patients, while the changes in the gastrointestinal function of these patients were significantly worse. Only the differences with respect to incontinence can be attributed to the treatment itself. Almost all HRQOL change scores are primarily influenced by their own baseline score. The influence of other factors, like age, socioeconomic status, and several PF, is limited. CONCLUSIONS: The impact on HRQOL of ERT is similar to that of RP, except for incontinence. RP patients suffer more from incontinence than ERT patients. Changes in the assessed HRQOL are mainly influenced by the pre-treatment HRQOL scores.
Graphical Markov models have been developed particularly for the analysis of observational data. They allow the control of various background variables when analysing theoretically relevant associations. This paper demonstrates the application and some advantages of graphical Markov models in comparison to conventional statistical analyses. The aim of the study was to identify patients at risk for developing decreased health-related quality of life (QoL) after cystectomy and to explore the influence of coping on QoL in this situation. Therefore, the method was applied to analyse the data of a prospective study, in which 81 patients with bladder cancer were interviewed pre-operatively and in a 1-year follow-up. QoL was assessed both times, and two basic coping strategies (active and depressive) were measured preoperatively. The explanatory variables of theoretical interest were active and depressive coping strategies. As a result of the analysis, relevant proportions of variance in the development of QoL could be explained by the suggested model (60 per cent in mental component, 40 per cent in physical component of QoL). Active coping was positively related to QoL, depressive coping negatively. These effects were linear in the physical component of QoL, moderated by working status and the type of urinary diversion in the mental component of QoL.
OBJECTIVE: To identify the determinants of medication non-adherence in women with fibromyalgia (FM). METHODS: Participants included 10 rheumatologists and 127 women recruited from tertiary care hospitals and the community. Demographic, clinical and psychosocial characteristics and patient-physician discordance were assessed at the baseline visit. Non-adherence was assessed 2 weeks later. Multivariable generalized estimating equations were used to identify determinants of non-adherence to medication. RESULTS: The average age of the women was 50.4 (s.d. 10.5) yr and the mean disability score was 60.3 (16.0) yr. Sixty (47.2%) women were non-adherent to medication; 20 (33.3%) of these were intentionally non-adherent, 24 (40.0%) were unintentionally non-adherent, and the remaining subjects were both. Overall non-adherence was predicted by higher patient-physician discordance. Unintentional non-adherence was predicted by community subjects, not being under a rheumatologist's care, less disease activity, less use of instrumental coping, and higher patient-physician discordance. Intentional non-adherence was predicted by shorter duration under a rheumatologist's care and higher patient-physician discordance. CONCLUSION: The therapeutic relationship, in addition to clinical and psychosocial characteristics, influenced non-adherence to medication.