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The main objective of this paper is to present a systematic analysis and review of the state of the art regarding the prediction of absenteeism and temporary incapacity using machine learning techniques. buy SBE-β-CD Moreover, the main contribution of this research is to reveal the most successful prediction models available in the literature. A systematic review of research papers published from 2010 to the present, related to the prediction of temporary disability and absenteeism in available in different research databases, is presented in this paper. The review focuses primarily on scientific databases such as Google Scholar, Science Direct, IEEE Xplore, Web of Science, and ResearchGate. A total of 58 articles were obtained from which, after removing duplicates and applying the search criteria, 18 have been included in the review. In total, 44% of the articles were published in 2019, representing a significant growth in scientific work regarding these indicators. This study also evidenced the interest of several countries. In addition, 56% of the articles were found to base their study on regression methods, 33% in classification, and 11% in grouping. After this systematic review, the efficiency and usefulness of artificial neural networks in predicting absenteeism and temporary incapacity are demonstrated. The studies regarding absenteeism and temporary disability at work are mainly conducted in Brazil and India, which are responsible for 44% of the analyzed papers followed by Saudi Arabia, and Australia which represented 22%. ANNs are the most used method in both classification and regression models representing 83% and 80% of the analyzed works, respectively. Only 10% of the literature use SVM, which is the less used method in regression models. Moreover, Naïve Bayes is the less used method in classification models representing 17%.An inexpensive, effective, and efficient dispersive solid-phase extraction (DSPE) sorbent was developed as an alternative to traditionally used sorbents (primary secondary amine and C18) for fatty matrices using the QuEChERS method. Catalytic chemical vapor deposition grown carbon nanofibers dispersed on activated carbon fibers (Ni-ACF/CNF) having a BET specific surface area of 738 (m2/g) were for the first time evaluated as a DSPE material for sample cleanup before gas chromatographic analysis. Based on cleanup performance and recoveries, 10 mg of Ni-ACF/CNF was found optimal for the determination of twenty-seven multi-class pesticides in high fat and low water commodities/matrices (peanut, soybean, sesame, and flaxseed). The recoveries obtained for all analytes were in the range ~ 72 to ~ 117%, with relative standard deviation values ≤ 15%. The limits of detection and quantification values were 0.7-4.2 ng/g and 2.3-13.9 ng/g, respectively. The matrix match calibration curve was linear in the range 20-500 ng/g with a correlation coefficient of ≥ 0.993. The results reveal that the Ni-ACF/CNF is a competent DSPE sorbent, similar to primary secondary amines and C18 sorbent materials, for pesticide determination by QuEChERS methods in high fat and low water commodities. Graphical abstract.The transfer of food between adults is uncommon in primates. Although golden lion tamarins (Leontopithecus rosalia) are unique among primates in the extent to which they transfer food, reports of food transfers between adults have so far been restricted to captive or reintroduced individuals. Here, I report the first recorded events of adult-adult food transfers in golden lion tamarins between individuals belonging to different groups in the wild. Given that individuals emigrate from their natal group to find reproductive opportunities, I suggest that intergroup food transfers could be a way for individuals to estimate the quality or availability of potential mates or social partners. I propose an additional function of food transfers in wild golden lion tamarins that they create and strengthen social bonds with individuals outside of the family group.
Whether laparoscopic colectomy (LC) is safe and effective for patients with locally advanced T4 colon cancer remains controversial. This study aimed to compare the oncological outcomes of LC and open colectomy (OC) for patients with pathological (p) T4 colon cancer.
We retrospectively analyzed 151 consecutive patients with pT4M0 colon cancer who underwent curative surgery between 2010 and 2017 using a propensity score-matched analysis.
After propensity score-matching, we enrolled 100 patients (n = 50 in each group). Median follow-up was 43.5months. The conversion rate to laparotomy in this study was 5.5% for the entire patient cohort and 6.0% for the matched cohort. Compared to the OC group, the LC group showed reductions in estimated blood loss and length of postsurgical stay. Clavien-Dindo classification grade ≥ II and all-grade complication rates were significantly lower in the LC group than in the OC group. R0 resection was achieved in all patients with LC. No significant differences were found between the groups in terms of overall, cancer-specific, recurrence-free survival, or incidence of local recurrence among the entire patient cohort and matched cohort.
The oncological outcomes were similar between the LC and OC groups. LC offers a safe, feasible option for patients with pT4 colon cancer.
The oncological outcomes were similar between the LC and OC groups. LC offers a safe, feasible option for patients with pT4 colon cancer.
The precise role of downstaging or bridge therapy for cirrhotic patients with hepatocellular carcinoma (HCC) beyond or within the Milan criteria (MC) before living donor liver transplantation (LDLT) remains undefined.
We conducted a single-center, retrospective cohort study of 40 cirrhotic patients with HCC who underwent LDLT from 2000 to 2018. Dynamic computed tomography images at the initial presentation and immediately before LDLT as well as the final histopathological findings were reviewed to determine whether they met or exceeded MC.
Overall, 29 patients underwent various pre-transplant HCC treatments, including ablation and embolization (bridge therapy, n = 20; downstaging, n = 9). Of the 9 patients who were initially beyond the MC, 4 (44.4%) were successfully downstaged to within the MC. Five patients beyond the MC immediately before LDLT demonstrated a significantly worse 5-year overall survival rate than patients within the MC (16.7% vs. 82.2%, P = 0.004), regardless of the radiological HCC stage at presentation or the final pathological tumor status.
Homepage: https://www.selleckchem.com/products/sbe-b-cd.html
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