Assessment of the value of comorbidity indices for risk adjustment in colorectal surgery patients

P Strombom, M Widmar, M Keskin… - Annals of surgical …, 2019 - Springer
… alone, and each index as an additional covariate. Models were … method for receiver operating
characteristic (ROC) curves, with … Receiver operating characteristic curves were created for …

The relationship between Gini terminology and the ROC curve

E Schechtman, G Schechtman - Metron, 2019 - Springer
… under the receiver operating characteristic (ROC) curve, which … Gini index, which is relevant
to our paper, is the GMD divided … We show that the AUC is related to the Gini covariance and …

The use of receiver operating characteristic curves and precision-versus-recall curves as performance metrics in unsupervised structural damage classification under …

V Giglioni, E García-Macías, I Venanzi, L Ierimonti… - Engineering …, 2021 - Elsevier
… has its own mean μ k and covariance Σ k . The parameters π … than one and may be adjusted
or changed during monitoring, … use of Youden index and F1 score provides similar results in …

Estimation of the volume under a ROC surface in presence of covariates

DK To, G Adimari, M Chiogna - Computational Statistics & Data Analysis, 2022 - Elsevier
… A new method to adjust for covariate effects in the estimation of … Receiver operating
characteristics (ROC) analysis is widely … values, it may be useful to estimate a synthetic index that …

The c-index is not proper for the evaluation of -year predicted risks

P Blanche, MW Kattan, TA Gerds - Biostatistics, 2019 - academic.oup.com
… under the receiver operating characteristic curve does not … is a Cox model with time dependent
covariate effects: |$\lambda(s|Z… fulfilled in this very common setting, our findings may raise …

Using the area under an estimated ROC curve to test the adequacy of binary predictors

RP Lieli, YC Hsu - Journal of Nonparametric Statistics, 2019 - Taylor & Francis
… to test the hypothesis that a predictive index combined with a … empirical AUC in the special
setting discussed above. Section … Given a d-dimensional vector X of covariates (predictors), a …

[HTML][HTML] Influence of patient-specific covariates on test validity of two delirium screening instruments in neurocritical care patients (DEMON-ICU)

B Weiss, N Paul, CD Spies, D Ullrich, I Ansorge… - Neurocritical care, 2022 - Springer
Receiver operating characteristics regression revealed that … Pietra indexes were calculated
for the ROC curves. The … results, empirical, covariate-adjusted ROC curves were plotted and …

Association between cerebrovascular reactivity monitoring and mortality is preserved when adjusting for baseline admission characteristics in adult traumatic brain …

FA Zeiler, A Ercole, E Beqiri, M Cabeleira… - Journal of …, 2020 - liebertpub.com
… pressure reactivity index (PRx), has been related to global … using area under the receiver
operating curve (AUC) and … to that of well-established covariates, such as those included in the …

Construction of confidence intervals for the maximum of the Youden index and the corresponding cutoff point of a continuous biomarker

LE Bantis, CT Nakas, B Reiser - Biometrical Journal, 2019 - Wiley Online Library
… Either in an early diagnosis setting, or in a setting in which … on the Receiver Operating
Characteristic (ROC) curve. Let X … math-0045 is the estimated covariance matrix of the maximum …

[HTML][HTML] Association between weight-adjusted-waist index and heart failure: results from National Health and Nutrition Examination Survey 1999–2018

D Zhang, W Shi, Z Ding, J Park, S Wu… - Frontiers in …, 2022 - frontiersin.org
… , a similar association between increased body mass index (BMI) … The model was adjusted
for all covariates in Model 2 of … Receiver-operating characteristic and reclassification analysis …