prognostic parameters
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Author(s):  
Elena Leonidovna Arshinskaya ◽  
Galina Stepanovna Korytova ◽  
Alena Igorevna Korytova

The paper presents the results of an empirical study on study overload in adolescent students. The theoretical and methodological grounding of the study is given. The objective relevance of the problem of study overload for the modern system of general education is shown. The nature and manifestations of study overload in the educational process were studied through cause-effect relations. Psychodiagnostic data was subjected to mathematical and statistical processing (correlation analysis, multiple regression analysis), classified, summarized, and interpreted. The results obtained in the empirical study allowed us to understand the prognosis and risks of study overload formation on psychological well-being in adolescence. The conclusion is given that study overload is caused not at the expense of the students’ main study load but as a result of attending additional types of educational classes. The results obtained concluded that one in five adolescent students have a significant, often maximum, pronounced excess of study load. Moreover, one in four students experience the presence of moderate study overload. To prevent study overload, we state that one should focus not only on the normative regulation of certain types of educational activities but also on the students’ subjective state. Recommendations of possible directions of preventive work with students on psychological prevention of study overload are outlined.


2021 ◽  
Vol 8 (4) ◽  
pp. 437-442
Author(s):  
Vishrabdha Rahul Pawar ◽  
Nekta Anand ◽  
Shahnaz Zaidi

To study the MRM specimens for size, grade of the tumor, LVI and LN metastases and the ER/PR receptors of the tumor. To study the association of ER/PR status with the above mentioned prognostic parameters. This three-year study includes 72 histopathologically confirmed cases of carcinoma breast. The tumor type, grade, LNM, LVE were reported on H & E. The ER-PR study was done of all 72 cases. The tumor size, grade, LNM, LVE were correlated with receptor status. Out of 72 cases majority (53%) of cases were in 41-50 years of age group, and tumor size was between 2-4 cm in (54.16%) cases; majority were of grade II carcinoma (60%) of which 59% were ER-PR positive. Out of 46 cases with negative LNM and LVE, 30 cases (65%) were ER-PR positive. In our observation there is no association between higher histological grade and ER-PR status. No obvious correlation with tumor size was noted. But increase in tumor size could also be a poor predictor of ER-PR status. LNM, LVE is poor predictor of ER-PR status.


2021 ◽  
Vol 11 ◽  
Author(s):  
Akanksha Farswan ◽  
Anubha Gupta ◽  
Krishnamachari Sriram ◽  
Atul Sharma ◽  
Lalit Kumar ◽  
...  

IntroductionCurrent risk predictors of multiple myeloma do not integrate ethnicity-specific information. However, the impact of ethnicity on disease biology cannot be overlooked. In this study, we have investigated the impact of ethnicity in multiple myeloma risk prediction. In addition, an efficient and robust artificial intelligence (AI)-enabled risk-stratification system is developed for newly diagnosed multiple myeloma (NDMM) patients that utilizes ethnicity-specific cutoffs of key prognostic parameters.MethodsK-adaptive partitioning is used to propose new cutoffs of parameters for two different datasets—the MMIn (MM Indian dataset) dataset and the MMRF (Multiple Myeloma Research Foundation) dataset belonging to two different ethnicities. The Consensus-based Risk-Stratification System (CRSS) is designed using the Gaussian mixture model (GMM) and agglomerative clustering. CRSS is validated via Cox hazard proportional methods, Kaplan–Meier analysis, and log-rank tests on progression-free survival (PFS) and overall survival (OS). SHAP (SHapley Additive exPlanations) is utilized to establish the biological relevance of the risk prediction by CRSS.ResultsThere is a significant variation in the key prognostic parameters of the two datasets belonging to two different ethnicities. CRSS demonstrates superior performance as compared with the R-ISS in terms of C-index and hazard ratios on both the MMIn and MMRF datasets. An online calculator has been built that can predict the risk stage of a multiple myeloma (MM) patient based on the values of parameters and ethnicity.ConclusionOur methodology discovers changes in the cutoffs with ethnicities from the established cutoffs of prognostic features. The best predictor model for both cohorts was obtained with the new ethnicity-specific cutoffs of clinical parameters. Our study also revealed the efficacy of AI in building a deployable risk prediction system for MM. In the future, it is suggested to use the CRSS risk calculator on a large dataset as the cohort size of the present study is 25% of the cohort used in the R-ISS reported in 2015.


PLoS ONE ◽  
2021 ◽  
Vol 16 (10) ◽  
pp. e0258511
Author(s):  
Erik Forsblom ◽  
Emma Högnäs ◽  
Jaana Syrjänen ◽  
Asko Järvinen

Background Commensal coagulase negative Staphylococcus lugdunensis may cause severe bacteremia (SLB) and complications. Treatment of SLB is not fully established and we wanted to evaluate if infectious diseases specialist consultation (IDSC) would improve management and prognosis. Methods Multicenter retrospective study of SLB patients followed for 1 year. Patients were stratified according to bedside (formal), telephone (informal) or lack of IDSC within 7 days of SLB diagnosis. Results Altogether, 104 SLB patients were identified: 24% received formal bedside and 52% informal telephone IDSC whereas 24% were managed without any IDSC. No differences in demographics, underlying conditions or severity of illness were observed between the groups. Patients with bedside IDSC, compared to telephone IDSC or lack of IDSC, had transthoracic echocardiography more often performed (odds ratio [OR] 4.00; 95% confidence interval [CI] 1.31–12.2; p = 0.012) and (OR 16.0; 95% CI, 4.00–63.9; P<0.001). Bedside IDSC was associated with more deep infections diagnosed compared to telephone IDSC (OR, 7.44; 95% CI, 2.58–21.4; p<0.001) or lack of IDSC (OR, 9.56; 95% CI, 2.43–37.7; p = 0.001). The overall mortality was 7%, 10% and 17% at 28 days, 90 days and 1 year, respectively. Considering all prognostic parameters, patients with IDSC, compared to lack of IDSC, had lower 90 days and 1 year mortality (OR, 0.11; 95% CI, 0.02–0.51; p = 0.005) and (OR, 0.22; 95% CI, 0.07–0.67; p = 0.007). Conclusion IDSC may improve management and outcome of Staphylococcus lugdunensis bacteremia.


2021 ◽  
Author(s):  
L. Cima ◽  
H. Kaya ◽  
C. Marchiò ◽  
R. Nishimura ◽  
H. Y. Wen ◽  
...  

AbstractTriple-negative breast carcinomas constitute a wide spectrum of lesions, mostly being highly aggressive. Nevertheless, some special histologic subtypes can have low malignant potential. The purpose of the present paper is to review diagnostic criteria and prognostic parameters of breast neoplasms of special histotypes. Specifically, adenoid cystic carcinoma, adenomyoepithelioma, acinic cell carcinoma, mucoepidermoid carcinoma, tall cell carcinoma with reverse polarity, and secretory carcinoma will be discussed. For each tumour, definition and morphological and molecular features, together with prognostic parameters, will be presented. Paradigmatic cases will be illustrated.


2021 ◽  
Vol 10 (15) ◽  
pp. 3386
Author(s):  
Mun Hee Choi ◽  
Sung Eun Lee ◽  
Jun Young Choi ◽  
Seong-Joon Lee ◽  
Da Sol Kim ◽  
...  

Early and precise neurological prognostication without self-fulfilling prophecy is challenging in post-cardiac arrest syndrome (PCAS), particularly during the targeted temperature management (TTM) period. This study aimed to investigate the feasibility of vasomotor reactivity (VMR) using transcranial Doppler (TCD) to determine whether final outcomes of patients with comatose PCAS are predicted. This study included patients who had out-of-hospital cardiac arrest in a tertiary referral hospital over 4 years. The eligible criteria included age ≥18 years, successful return of spontaneous circulation, TTM application, and bedside TCD examination within 72 h. Baseline demographics and multimodal prognostic parameters, including imaging findings, electrophysiological studies, and TCD-VMR parameters, were assessed. The final outcome parameter was cerebral performance category scale (CPC) at 1 month. Potential determinants were compared between good (CPC 1–2) and poor (CPC 3–5) outcome groups. The good outcome group (n = 41) (vs. poor (n = 117)) showed a higher VMR value (54.4% ± 33.0% vs. 25.1% ± 35.8%, p < 0.001). The addition of VMR to conventional prognostic parameters significantly improved the prediction power of good outcomes. This study suggests that TCD-VMR is a useful tool at the bedside to evaluate outcomes of patients with comatose PCAS during the TTM.


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