| 1. |
- Lindahl, Göran, et al.
(författare)
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Stavanger : Innerstaden - Utvecklingshistoria och Utvecklingsmöjligheter
- 1972
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Rapport (populärvet., debatt m.m.)abstract
- Föreliggande arbete bör inte uppfattas som något slags generalplan eller dispositionsplan utan snarare som en presentation av ett synsätt, som konkretiserats på ett antal fritt valda områden. Framställningen har två tyngdpunkter. Stort intresse har ägnats det historiska perspektivet. Syftet har varit att besvara frågan: Varför ser Stavanger ut som det gör? Varför skiljer sig denna stad så mycket från jämförbara orter i Sverige? De svar som ges för över till bokens huvudtema, frågan hur den befintliga bebyggelsen skall användas i framtiden. Bakom ligger en grundsyn som uppfattar rivning och nybyggande som åtgärder i sista hand, underhåll, upprustning och ombyggnad som det normala, något som kan sträckas ut generation eftel" generation.
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| 2. |
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| 3. |
- Malm, Kerstin, 1960-, et al.
(författare)
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Analytical evaluation of nine serological assays for diagnosis of syphilis
- 2015
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Ingår i: Journal of the European Academy of Dermatology and Venereology. - : Wiley-Blackwell. - 0926-9959 .- 1468-3083. ; 29:12, s. 2369-2376
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Tidskriftsartikel (refereegranskat)abstract
- Background: The diagnosis of syphilis is most frequently dependent on antibody detection with serological assays. Assays for both treponemal and non-treponemal antibodies are needed to provide a sensitive and specific diagnosis. For decades, a first screening has been done with non-treponemal assays, followed by treponemal. However, in recent years, following laboratory automation, the reverse sequence screening algorithms have been developed, using a treponemal assay as the initial screening test.Objective: To evaluate serological assays for treponemal and non-treponemal antibodies, to use in reverse algorithm screening of syphilis.Material and methods: Six treponemal assays (one IgM-specific assay), two non-treponemal assays and one novel dual point-of-care (POC) assay for serological diagnosis of syphilis were evaluated. Serum samples from Guinea-Bissau and Sweden were examined, as well as two performance panels and samples from blood donors. Sensitivity and specificity were calculated for each assay, using different assays as gold standard test.Results: The Macro-Vue RPR Card test was the most sensitive non-treponemal test and the TrepSure Anti-Treponema EIA Screen and the SeroDia TP-PA were the most sensitive and specific treponemal assays. Among the automated assays, both the Liaison Treponema Screen and Architect Syphilis TP showed high sensitivity, however, the former had clearly higher specificity.Conclusions: In resourced settings, where the reverse sequence algorithm is preferred for screening, an automated treponemal immunoassay for initial screening subsequently followed by the TrepSure test or TP-PA assay as a second treponemal assay appear highly effective. Finally, a quantitative highly sensitive non-treponemal assay, e.g. the Macro-Vue RPR Card test, could then be used as a supplementary test to evaluate activity of the syphilis infection.
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| 5. |
- Månsson, Åsa, et al.
(författare)
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Patient-assessed outcomes in Swedish and Egyptian men undergoing radical cystectomy and orthotopic bladder substitution--a prospective comparative study.
- 2007
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Ingår i: Urology. - : Elsevier BV. - 1527-9995 .- 0090-4295. ; 70:6, s. 1086-1090
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: To compare two patient populations with assumed cultural differences undergoing radical cystectomy and orthotopic bladder substitution to determine whether these translate into differences in the answers to self-report instruments. METHODS: The questionnaires Functional Assessment of Cancer Therapy-Bladder Cancer (FACT-BL), consisting of a general version (FACT-G) and a bladder cancer specific module, and Hospital Anxiety and Depression Scale (HADS) were used preoperatively and 3 and 12 months postoperatively to assess patient well-being, urologic symptoms, depression, and anxiety in 29 and 32 Swedish and Egyptian male patients, respectively. RESULTS: Significant differences were found between the two groups. Higher FACT-G scores (ie, better outcomes) were obtained in the Swedish patients, both preoperatively and 3 months postoperatively, but not after 12 months. Differences were also seen in the urogenital assessment provided by the FACT-BL module. HADS revealed more depression among the Egyptian patients throughout the study period. Also, anxiety was more common preoperatively and 3 months postoperatively in the Egyptian patients, but not after 12 months. CONCLUSIONS: Swedish men scored better than Egyptian men on the FACT-BL and HADS, although the latter improved with time after surgery. These results show that patient-assessed outcomes differ in patients from different sociocultural backgrounds. This should be recognized when analyzing results from comparative studies. Also, the use of culture-fair instruments is important when assessing patients with different sociocultural backgrounds.
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| 6. |
- Asplund, Sara, 1976, et al.
(författare)
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Extended analysis of the effect of learning with feedback on the detectability of pulmonary nodules in chest tomosynthesis
- 2011
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Ingår i: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. - : SPIE. - 1605-7422. ; 7966
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In chest tomosynthesis, low-dose projections collected over a limited angular range are used for reconstruction of section images of the chest, resulting in a reduction of disturbing anatomy at a moderate increase in radiation dose compared to chest radiography. In a previous study, we investigated the effects of learning with feedback on the detection of pulmonary nodules in chest tomosynthesis. Six observers with varying degrees of experience of chest tomosynthesis analyzed tomosynthesis cases for presence of pulmonary nodules. The cases were analyzed before and after learning with feedback. Multidetector computed tomography (MDCT) was used as reference. The differences in performance between the two readings were calculated using the jackknife alternative free-response receiver operating characteristics (JAFROC-2) as primary measure of detectability. Significant differences between the readings were found only for observers inexperienced in chest tomosynthesis. The purpose of the present study was to extend the statistical analysis of the results of the previous study, including JAFROC-1 analysis and FROC curves in the analysis. The results are consistent with the results of the previous study and, furthermore, JAFROC-1 gave lower p-values than JAFROC-2 for the observers who improved their performance after learning with feedback. © 2011 SPIE.
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| 8. |
- Asplund, Sara, 1976, et al.
(författare)
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Learning aspects and potential pitfalls regarding detection of pulmonary nodules in chest tomosynthesis and proposed related quality criteria.
- 2011
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Ingår i: Acta radiologica. - : SAGE Publications. - 1600-0455 .- 0284-1851. ; 52:5, s. 503-512
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Tidskriftsartikel (refereegranskat)abstract
- Background In chest tomosynthesis, low-dose projections collected over a limited angular range are used for reconstruction of an arbitrary number of section images of the chest, resulting in a moderately increased radiation dose compared to chest radiography. Purpose To investigate the effects of learning with feedback on the detection of pulmonary nodules for observers with varying experience of chest tomosynthesis, to identify pitfalls regarding detection of pulmonary nodules, and present suggestions for how to avoid them, and to adapt the European quality criteria for chest radiography and computed tomography (CT) to chest tomosynthesis. Material and Methods Six observers analyzed tomosynthesis cases for presence of nodules in a jackknife alternative free-response receiver-operating characteristics (JAFROC) study. CT was used as reference. The same tomosynthesis cases were analyzed before and after learning with feedback, which included a collective learning session. The difference in performance between the two readings was calculated using the JAFROC figure of merit as principal measure of detectability. Results Significant improvement in performance after learning with feedback was found only for observers inexperienced in tomosynthesis. At the collective learning session, localization of pleural and subpleural nodules or structures was identified as the main difficulty in analyzing tomosynthesis images. Conclusion The results indicate that inexperienced observers can reach a high level of performance regarding nodule detection in tomosynthesis after learning with feedback and that the main problem with chest tomosynthesis is related to the limited depth resolution.
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