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  • 1
    Online Resource
    Online Resource
    Large expert-curated database for benchmarking document similarity detection in biomedical literature search
    Oxford University Press (OUP) ; 2019
    In:  Database Vol. 2019 ( 2019-01-01)
    Details
    In: Database, Oxford University Press (OUP), Vol. 2019 ( 2019-01-01)
    Abstract: Document recommendation systems for locating relevant literature have mostly relied on methods developed a decade ago. This is largely due to the lack of a large offline gold-standard benchmark of relevant documents that cover a variety of research fields such that newly developed literature search techniques can be compared, improved and translated into practice. To overcome this bottleneck, we have established the RElevant LIterature SearcH consortium consisting of more than 1500 scientists from 84 countries, who have collectively annotated the relevance of over 180 000 PubMed-listed articles with regard to their respective seed (input) article/s. The majority of annotations were contributed by highly experienced, original authors of the seed articles. The collected data cover 76% of all unique PubMed Medical Subject Headings descriptors. No systematic biases were observed across different experience levels, research fields or time spent on annotations. More importantly, annotations of the same document pairs contributed by different scientists were highly concordant. We further show that the three representative baseline methods used to generate recommended articles for evaluation (Okapi Best Matching 25, Term Frequency–Inverse Document Frequency and PubMed Related Articles) had similar overall performances. Additionally, we found that these methods each tend to produce distinct collections of recommended articles, suggesting that a hybrid method may be required to completely capture all relevant articles. The established database server located at https://relishdb.ict.griffith.edu.au is freely available for the downloading of annotation data and the blind testing of new methods. We expect that this benchmark will be useful for stimulating the development of new powerful techniques for title and title/abstract-based search engines for relevant articles in biomedical research.
    Type of Medium: Online Resource
    ISSN: 1758-0463
    URL: Article
    DOI: 10.1093/database/baz085
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
    detail.hit.zdb_id: 2496706-3
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  • 2
    Online Resource
    Online Resource
    Prospective observational cohort study on grading the severity of postoperative complications in global surgery research
    Oxford University Press (OUP) ; 2019
    In:  British Journal of Surgery Vol. 106, No. 2 ( 2019-01-08), p. e73-e80
    Details
    In: British Journal of Surgery, Oxford University Press (OUP), Vol. 106, No. 2 ( 2019-01-08), p. e73-e80
    Abstract: The Clavien–Dindo classification is perhaps the most widely used approach for reporting postoperative complications in clinical trials. This system classifies complication severity by the treatment provided. However, it is unclear whether the Clavien–Dindo system can be used internationally in studies across differing healthcare systems in high- (HICs) and low- and middle-income countries (LMICs). Methods This was a secondary analysis of the International Surgical Outcomes Study (ISOS), a prospective observational cohort study of elective surgery in adults. Data collection occurred over a 7-day period. Severity of complications was graded using Clavien–Dindo and the simpler ISOS grading (mild, moderate or severe, based on guided investigator judgement). Severity grading was compared using the intraclass correlation coefficient (ICC). Data are presented as frequencies and ICC values (with 95 per cent c.i.). The analysis was stratified by income status of the country, comparing HICs with LMICs. Results A total of 44 814 patients were recruited from 474 hospitals in 27 countries (19 HICs and 8 LMICs). Some 7508 patients (16·8 per cent) experienced at least one postoperative complication, equivalent to 11 664 complications in total. Using the ISOS classification, 5504 of 11 664 complications (47·2 per cent) were graded as mild, 4244 (36·4 per cent) as moderate and 1916 (16·4 per cent) as severe. Using Clavien–Dindo, 6781 of 11 664 complications (58·1 per cent) were graded as I or II, 1740 (14·9 per cent) as III, 2408 (20·6 per cent) as IV and 735 (6·3 per cent) as V. Agreement between classification systems was poor overall (ICC 0·41, 95 per cent c.i. 0·20 to 0·55), and in LMICs (ICC 0·23, 0·05 to 0·38) and HICs (ICC 0·46, 0·25 to 0·59). Conclusion Caution is recommended when using a treatment approach to grade complications in global surgery studies, as this may introduce bias unintentionally.
    Type of Medium: Online Resource
    ISSN: 0007-1323 , 1365-2168
    URL: Article
    DOI: 10.1002/bjs.11025
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
    detail.hit.zdb_id: 2006309-X
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  • 3
    Online Resource
    Online Resource
    Drosophila Muller F Elements Maintain a Distinct Set of Genomic Properties Over 40 Million Years of Evolution
    Oxford University Press (OUP) ; 2015
    In:  G3 Genes|Genomes|Genetics Vol. 5, No. 5 ( 2015-05-01), p. 719-740
    Details
    In: G3 Genes|Genomes|Genetics, Oxford University Press (OUP), Vol. 5, No. 5 ( 2015-05-01), p. 719-740
    Abstract: The Muller F element (4.2 Mb, ~80 protein-coding genes) is an unusual autosome of Drosophila melanogaster; it is mostly heterochromatic with a low recombination rate. To investigate how these properties impact the evolution of repeats and genes, we manually improved the sequence and annotated the genes on the D. erecta, D. mojavensis, and D. grimshawi F elements and euchromatic domains from the Muller D element. We find that F elements have greater transposon density (25–50%) than euchromatic reference regions (3–11%). Among the F elements, D. grimshawi has the lowest transposon density (particularly DINE-1: 2% vs. 11–27%). F element genes have larger coding spans, more coding exons, larger introns, and lower codon bias. Comparison of the Effective Number of Codons with the Codon Adaptation Index shows that, in contrast to the other species, codon bias in D. grimshawi F element genes can be attributed primarily to selection instead of mutational biases, suggesting that density and types of transposons affect the degree of local heterochromatin formation. F element genes have lower estimated DNA melting temperatures than D element genes, potentially facilitating transcription through heterochromatin. Most F element genes (~90%) have remained on that element, but the F element has smaller syntenic blocks than genome averages (3.4–3.6 vs. 8.4–8.8 genes per block), indicating greater rates of inversion despite lower rates of recombination. Overall, the F element has maintained characteristics that are distinct from other autosomes in the Drosophila lineage, illuminating the constraints imposed by a heterochromatic milieu.
    Type of Medium: Online Resource
    ISSN: 2160-1836
    URL: Article
    DOI: 10.1534/g3.114.015966
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2015
    detail.hit.zdb_id: 2629978-1
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  • 4
    Online Resource
    Online Resource
    Gender Differences in Spousal Caregivers’ Care and Housework: Fact or Fiction?
    Oxford University Press (OUP) ; 2020
    In:  The Journals of Gerontology: Series B Vol. 75, No. 1 ( 2020-01-01), p. 173-183
    Details
    In: The Journals of Gerontology: Series B, Oxford University Press (OUP), Vol. 75, No. 1 ( 2020-01-01), p. 173-183
    Abstract: Many studies reveal a gender gap in spousal care during late life. However, this gap could be an artifact of methodological limitations (small and unrepresentative cross-sectional samples). Using a data set that overcomes these limitations, we re-examine the question of gender differences in spousal care and housework adjustment when a serious illness occurs. Method We use biannual waves between 2001 and 2015 of the German Socio-Economic Panel Study and growth curve analyses. We follow couples longitudinally (identified in the household questionnaire) to analyze shifts in spousal care hours and housework plus errand hours that occur as a response to the spousal care need. We test for interactions with levels of care need and with gender. Results We found that men increase their care hours as much as women do, resulting in similar care hours. They also increase their housework and errand hours more than women do. Yet at lower levels of spousal care need, women still do more housework and errands because they spent more time doing housework before the illness. Discussion Even in a context of children’s decreasing availability to care for parents, male spouses assume the required caregiving role in systems relying on a mixture of public and private care.
    Type of Medium: Online Resource
    ISSN: 1079-5014 , 1758-5368
    URL: Article
    DOI: 10.1093/geronb/gby087
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 2043945-3
    SSG: 5,2
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  • 5
    Online Resource
    Online Resource
    After the Burden Is Lifted: Caregivers' Recovery of Life Satisfaction After the Death or Recovery of a Spouse
    Oxford University Press (OUP) ; 2020
    In:  The Journals of Gerontology: Series B Vol. 75, No. 10 ( 2020-11-13), p. 2170-2180
    Details
    In: The Journals of Gerontology: Series B, Oxford University Press (OUP), Vol. 75, No. 10 ( 2020-11-13), p. 2170-2180
    Abstract: How does caregivers' life satisfaction shift upon the recovery of an ill spouse? Paradoxically, there is a greater increase in life satisfaction upon death than recovery of a spouse. Our analysis explores this paradox. Method We follow the two groups of exiting caregivers longitudinally for 4 years from when the partner is still in need of care until the death (N = 152) or recovery (N = 112) of a previously ill partner, comparing their trajectory of life satisfaction. We use the years 2001–2016 of the German-Socio-Economic Panel Study and a growth curve analysis. Results Contrary to our expectations, bereaved caregivers experience a significantly stronger increase in life satisfaction than spouses whose partners recover from a serious illness, even when we stratify by age, gender and initial life satisfaction to account for significantly different subsample composition. Surprisingly, life satisfaction remains unchanged when the partner recovers. Only if a heavy burden in terms of unpaid care and housework hours or prior care need is lifted, do we observe an increase in life satisfaction among spouses with recovering partners, which is like the one experienced by bereaved caregivers. Discussion More support for caregivers with high caregiving burdens may alleviate some of the strain associated with spousal caregiving, as—even if the partner dies—a decrease in spousal caregiving hours results in an uplift in life satisfaction.
    Type of Medium: Online Resource
    ISSN: 1079-5014 , 1758-5368
    URL: Article
    DOI: 10.1093/geronb/gbz117
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 2043945-3
    SSG: 5,2
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  • 6
    Online Resource
    Online Resource
    Modality-Specific Perceptual Expectations Selectively Modulate Baseline Activity in Auditory, Somatosensory, and Visual Cortices
    Oxford University Press (OUP) ; 2011
    In:  Cerebral Cortex Vol. 21, No. 12 ( 2011-12), p. 2850-2862
    Details
    In: Cerebral Cortex, Oxford University Press (OUP), Vol. 21, No. 12 ( 2011-12), p. 2850-2862
    Type of Medium: Online Resource
    ISSN: 1460-2199 , 1047-3211
    URL: Article
    DOI: 10.1093/cercor/bhr083
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2011
    detail.hit.zdb_id: 1483485-6
    SSG: 12
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