Missing data problems are common in biological, high-dimensional data, where data can be partially or completely missing. Algorithms have been developed to reconstruct the missing values by means of imputation or expectation-maximization algorithms. For missing data problems, it has been suggested that the regression model of interest should be incorporated into the imputation procedure to reduce bias of the regression coefficients.
View Article and Find Full Text PDFThe aim was to evaluate the cost-effectiveness of sentinel lymph node (SLN) mapping in comparison to routine pelvic lymphadenectomy for lymph node assessment in patients with high-risk endometrial cancer (EC). A decision-analytic model was developed to compare SLN mapping with pelvic lymphadenectomy for guiding adjuvant therapy in patients with high-risk endometrioid and non-endometrioid EC, focusing on costs and health outcomes. The input data were obtained from systematic literature searches and expert consensus.
View Article and Find Full Text PDFHLA-DP permissive mismatches can be assigned a direction according to their immunopeptidome divergence across core and noncore subsets. Noncore permissive graft-versus-host mismatches show significantly reduced risks of relapse without increased nonrelapse mortality compared with allele-matched pairs.
View Article and Find Full Text PDFRheumatology (Oxford)
September 2024
Objectives: The objective of this study was to prospectively evaluate the diagnostic efficacy of transorbital ultrasound (TOS) in patients newly diagnosed with giant cell arteritis (GCA), presenting with visual symptoms.
Methods: Patients with newly diagnosed, untreated GCA were examined using TOS, assessing central retinal artery flow velocity [peak systolic velocity (PSV), end-diastolic velocity (EDV), resistance index (RI)], and optic nerve diameter (OND). Vascular ultrasound was conducted to evaluate the superficial temporal arteries, their branches, facial, axillary, carotid, and vertebral arteries.
Objectives: Ultrasound is a standard tool to diagnose giant cell arteritis (GCA). Until now, only a few studies have investigated the role of ultrasound in the follow-up of GCA. The aim of this study was to assess the changes in the intima-media thickness (IMT), total number of affected arteries and provisional OMERACT GCA ultrasonography score (OGUS) in a 12-months follow-up period.
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