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1. Multiscale supervised classification of point clouds with urban and forest applications: (Publication); ... coordinates) was considered, thus making the method independent of the systems used to collect the data. A maximum of five features (input variables) was used, four of them related to the eigenvalues obtained ...; Created on 22 November 2019
2. Structural, Dermal and Ungual Characteristics of the Foot in Patients with Type II Diabetes: (Publication); ... was carried out (n = 153). Type II diabetic patients included, of legal age who signed the informed consent. Sociodemographic variables were studied (age, sex, body mass index (BMI), smoking habit, alcohol ...; Created on 20 November 2019
3. A Multistate Model for Analyzing Transitions Between Body Mass Index Categories During Childhood: The Generation XXI Birth Cohort Study: (Publication); Prevalences of overweight and obesity in young children have risen dramatically in the last several decades in most developed countries. Childhood overweight and obesity are known to have immediate and ...; Created on 25 September 2019
4. The importance of the mediastinal triangle in traumatic lesions of the aorta: (Publication); ... Coruña. Patients >15 years with closed thoracic trauma were included. Sociodemographic and clinical variables were studied in order to determine the lesion cause, location, and degree. Results: We analyzed ...; Created on 24 September 2019
5. Erectile dysfunction in patients with arterial hypertension. Cardiovascular risk and impact on their quality of life: (Publication); Objectives: Estimate the frequency of erectile dysfunction in patients with essential hypertension and associated variables, degree of control, cardiovascular risk and the impact on quality of life. Material ...; Created on 24 September 2019
6. Late HIV Diagnosis but Earlier Antiretroviral Treatment Initiation in Northwest Spain: Impact of Current Treatment Guidelines: (Publication); ... used for initiation were recorded. A statistical analysis was performed using SPSS version 19 software. Categorical and continuous variables were compared by the specific statistical tests, and a logistic ...; Created on 24 September 2019
7. Prevalence of knee osteoarthritis in a random population sample in people aged 40 and over: (Publication); ... the prevalence of symptomatic osteoarthritis of the knee in a random population sample, its associated variables and its impact on pain and functionality. Methods: Descriptive and multivariate logistic ...; Created on 24 September 2019
8. Concordance between the Different Cardiovascular Risk Scores in People with Rheumatoid Arthritis and Psoriasis Arthritis: (Publication); ... than 18 years of age were included. Measurements: sociodemographic, anthropometric variables of the disease, comorbidity, cardiovascular risk, and therapeutic management. Results. 151 subjects (75 RA and ...; Created on 24 September 2019
9. A two-sample test for the equality of univariate marginal distributions for high-dimensional data: (Publication); A recurring theme in modern statistics is dealing with high-dimensional data whose main feature is a large number, p, of variables but a small sample size. In this context our aim is to address the problem ...; Created on 23 September 2019
10. Plasma microRNA Profiling Reveals Novel Biomarkers of Epicardial Adipose Tissue: A Multidetector Computed Tomography Study: (Publication); ... 0.05 for all models). The addition of miRNA combinations to a model based on clinical variables improved the discrimination (area under the receiver-operating-characteristic curve (AUC) from 0.721 to 0.787). ...; Created on 22 August 2019
11. External Validation and Recalculation of the CODEX Index in COPD Patients. A 3CIAplus Cohort Study: (Publication); ... CODEX index in a large external population of COPD patients with variable durations of follow-up. Additionally, we aimed to recalculate the thresholds of the CODEX index using the cutoffs of variables ...; Created on 22 August 2019
12. A hybrid ARIMA–SVM model for the study of the remaining useful life of aircraft engines: (Publication); In this research, an algorithm is presented for predicting the remaining useful life (RUL) of aircraft engines from a set of predictor variables measured by several sensors located in the engine. RUL prediction ...; Created on 10 October 2018
13. Spatial heterogeneity in Spain for senior travel behavior: (Publication); Travel patterns are becoming more differentiated, influenced by new variables resulting from changes in lifestyle. The relevance of the senior segment for this industry, with the continuous aging population ...; Created on 08 October 2018
14. Body mass index transitions during childhood: a multiple-state model approach: (Publication); ... We aimed to estimate the instantaneous rate of transition among various states of body mass index (BMI) categories, in children and to evaluate the effect of a vector of explanatory variables–maternal ...; Created on 06 March 2019
15. Injury prediction in aerobic gymnastics based on anthropometric variables ...: (Publication); ... and methods In total, 73 athletes were recruited, of whom 51 were gymnasts and 22 were athletes from other sports. The independent variables were anthropometric characteristics of both lower extremities. ...; Created on 11 October 2018
16. Game-Related Statistics in the Spanish Water Polo League: Differences between Seasons: (Publication); The aim of this study was to identify the differences between seasons in men´s water polo regular competition by analysing the changes of game-related statistics. The sample comprised 88 games from the ...; Created on 11 October 2018
17. Erectile dysfunction in patients with arterial hypertension. Cardiovascular risk and impact on their quality of life: (Publication); OBJECTIVES: Estimate the frequency of erectile dysfunction in patients with essential hypertension and associated variables, degree of control, cardiovascular risk and the impact on quality of life. MATERIAL ...; Created on 08 October 2018
18. Predictive factors of satisfaction and quality of life after immediate breast reconstruction using the BREAST-Q: (Publication); ... The satisfaction domain with the lowest score was with the breast (59). The variables associated with the worst quality of life in the physical well-being chest domain were the skin-sparing mastectomy ...; Created on 08 October 2018
19. Penalized profile least squares-based statistical inference for varying coefficient partially linear errors-in-variables models: (Publication); The purpose of this paper is two fold. First, we investigate estimation for varying coefficient partially linear models in which covariates in the nonparametric part are measured with errors. As there ...; Created on 01 October 2018
20. A probability inequality for sums of independent Banach space valued random variables ...: (Publication); ... = psi(0) = 0, lim(t ->infinity) phi(t) = infinity, and psi(center dot)/phi(center dot) is a nondecreasing function on [0,infinity). Let be a sequence of independent and symmetric B-valued random variables. ...; Created on 01 October 2018
21. Smooth time-dependent receiver operating characteristic curve estimators: (Publication); ... for developing appropriate estimators is the estimation of the joint distribution of the variables time-to-event and marker. As usual, different approximations lead to different estimators. In this article, ...; Created on 22 May 2018
22. An extension of Feller's strong law of large numbers: (Publication); ... setting. Let be a sequence of independent and identically distributed Banach space valued random variables and set. S-n = Sigma(n)(i=1) X-i, n >= 1. Let and is a nondecreasing sequence. We show tha ...; Created on 22 May 2018
23. Geographically Weighted Principal Components Analysis to assess diffuse pollution sources of soil heavy metal: Application to rough mountain areas in Northwest Spain.: (Publication); ... conclude that GWPC1 corresponds to a geogenetic component with changing winning variables adapted to the geological characteristics of the territory (lithology and mining), while GWPC2 corresponds to a ...; Created on 24 January 2018
24. Sample Size Impact on the Categorisation of Continuous Variables in Clinical Prediction ...: (Publication); ... predictor variable in a logistic regression setting. Two different approaches to categorise predictor variables were compared. ...; Created on 10 October 2018
25. Sample Size Impact on the Categorisation of Continuous Variables in Clinical Prediction ...: (Publication); ... predictor variable in a logistic regression setting. Two different approaches to categorise predictor variables were compared. ...; Created on 10 October 2018
26. Plasma mitochondrial DNA levels are inversely associated with HIV-RNA levels and directly with CD4 counts: potential role as a biomarker of HIV replication: (Publication); ... were evaluated in the same blood samples used for plasma mtDNA quantification. Epidemiological and clinical variables were included for the analysis. Results: A total of 235 HIV-infected patients were ...; Created on 08 October 2018
27. Quality of life and anxiety in women with breast cancer before and after treatment.: (Publication); ... to identify variables associated with baseline quality of life and anxiety as well as pre- and post-treatment differences. Authorization was obtained from the Ethics Committee, and informed consent was ...; Created on 08 October 2018
28. Hábitos podológicos en personas con alteraciones ungueales: (Publication); ... type of flat or low heel and who does the care of toenails are shown as predictive variables of onychomycosis. Copyright: © 2017 SecretarIa de Salud ...; Created on 08 October 2018
29. A new approach to categorising continuous variables in prediction models: Proposal and validation ...: (Publication); When developing prediction models for application in clinical practice, health practitioners usually categorise clinical variables that are continuous in nature. Although categorisation is not regarded ...; Created on 22 May 2018
30. A simple algorithm for the identification of clinical COPD phenotypes: (Publication); ... comorbidities and diabetes). The CART-based algorithm indicated that the variables relevant for patient grouping differed markedly between patients with isolated respiratory disease (FEV1, dyspnoea grade) ...; Created on 22 May 2018
31. Jackknife empirical likelihood of error variance in partially linear varying-coefficient errors-in-variables models: (Publication); ... same time, we construct Jackknife estimator as well as Jackknife empirical likelihood statistic of the error variance. Under both the response variables and their associated covariates form a stationary ...; Created on 22 May 2018
32. Sample size impact on the categorisation of continuous variables in clinical predictions ...: (Publication); ... predictor variable in a logistic regression setting. Two different approaches to categorise predictor variables were compared. ...; Created on 18 September 2017
33. A note on symmetrization procedures for the laws of large numbers: (Publication); In this note, general symmetrization procedures for both the weak and strong laws of large numbers concerning the row sums from arrays of rowwise independent Banach space valued random variables are established. ...; Created on 18 September 2017
34. Effects of situational variables on offensive performance indicators in elite water polo ...: (Publication); ... Eighty-eight matches from the 2011–2014 domestic league seasons were notated post-event using a computerised notational analysis system. The dependent variables were team offensive performance indicators, ...; Created on 18 September 2017
35. Flat foot in a random population and its impact on quality of life and functionality: (Publication); ... by the study of the footprint obtained with a pedograph. Anthropometric variables were studied, Charlson’s Comorbidity Index, function and state of foot (Foot Function Index (FFI), Foot Health Status Questionnaire ...; Created on 18 September 2017
36. Incidence of cardiovascular events and associated risk factors in kidney transplant patients: a competing risks survival analysis: (Publication); ... multivariate models, the variables with an independent effect for predicting cardiovascular events are: male sex, age of recipient, previous cardiovascular disorders, pre-transplant smoking and post-transplant ...; Created on 18 September 2017
37. Sample size impact on the categorisation of continuous variables in clinical prediction ...: (Publication); Created on 21 September 2017
38. Keys to Success in High Level Water Polo Teams: (Publication); ... matches from the 2011-2014 seasons have been analysed. The offensive performance variables were divided into four groups, namely, playing situations, attacks outcome, origin of shots, and technical execution ...; Created on 18 September 2017
39. Performance Assessment in Water Polo Using Compositional Data Analysis: (Publication); ... Shots in relation to the different playing situations; Attacks outcome; Origin of shots; Technical execution of shots. The variables of each group had a constant sum which equalled 100%. The data were ...; Created on 18 September 2017
40. No change in Interictal PACAP levels in peripheral blood in women with chronic Migraine: (Publication); Objective: To determine total pituitary adenylate cyclase activating polypeptide (PACAP) in peripheral blood as a potential marker of the activation of the parasympathetic arm of the trigemino-vascular ...; Created on 18 September 2017
41. FWDselect: An R Package for Variable Selection in Regression Models: (Publication); In multiple regression models, when there are a large number (p) of explanatory variables which may or may not be relevant for predicting the response, it is useful to be able to reduce the model. To this ...; Created on 08 September 2017
42. Surveillance after cardiac arrest in patients with Brugada syndrome without an implantable defibrillator: An alarm effect of the previous syncope: (Publication); Background: Debate regarding the prognosis of asymptomatic patients with Brugada syndrome (BrS) is possibly affected by the selection bias of survivors of sudden cardiac arrest (SCA). We aimed to determine ...; Created on 07 November 2016
43. A single nucleotide polymorphism in the Il17ra promoter is associated with functional severity of Ankylosing Spondylitis: (Publication); ... cohorts consisting of 180 cases/300 controls and 419 cases/656 controls. Relationships of SNPs and clinical variables with the Bath Ankylosing Spondylitis Disease Activity and Functional Indices BASDAI ...; Created on 07 November 2016
44. Berry–Esseen type bounds in heteroscedastic errors-in-variables model: (Publication); ... α-mixing random variables, when f( · ) is unknown, the Berry–Esseen type bounds for estimators of β, g( · ), and f( · ) are discussed under independent errors. ...; Created on 04 November 2016
45. Asymptotic normality of conditional density estimation with left-truncated and dependent data: (Publication); ... the estimators is established under the lifetime observations are assumed to be a sequence of stationary α α -mixing random variables. Finite sample behavior of the estimators is investigated via simulations ...; Created on 04 November 2016
46. Asymptotic representation of presmoothed Kaplan-Meier integrals with covariates in a semiparametric censorship model: (Publication); ... random variables is established. The situation in which covariates are present is considered; therefore, the present paper extends previous results in Dikta et al. (2005) to the setting with covariates. ...; Created on 24 October 2016
47. Categorization of Continuous Variables in a Logistic Regression Model Using the R Package  ...: (Publication); Created on 21 September 2017
48. Merkel cell carcinoma and Merkel cell polyomavirus: a systematic review and meta-analysis: (Publication); ... of study design, characteristics of participants, possible variables incorporated into the multivariable analyses and the risk ratio (RR) for Merkel cell carcinoma associated with Merkel cell polyomaviru ...; Created on 01 September 2017
49. Do auditors make mistakes when they write audit reports? An empiral study applied to Spanish non-listed firms: (Publication); ... the period 2004–2007. Once we had defined the dependent variable, the number of errors committed in the report, the independent variables, the type of auditor and type of opinion, we tested the hypotheses ...; Created on 01 September 2017
50. A nonparametric ANOVA-type test for regression curves based on characteristic functions: (Publication); ... converges to a finite combination of independent chi-squared random variables with one degree of freedom. The coefficients in this linear combination can be consistently estimated. The proposed test is ...; Created on 31 August 2017