B. Calster

Sabine Van Huffel, Vanya Van Belle, Dirk Timmerman, 2008, 2008 IEEE International Joint Conference on Neural Networks (IEEE World Congress on Computational Intelligence).

An Evidence Based Preclinical Laparoscopic Simulation Curriculum Shortens the Clinical Learning Curve And Reduces Surgical Complications

B. Calster, M. Miserez, G. Win, 2015 .

ROC curves for clinical prediction models: from waste of ink towards useful insight?

Ewout W. Steyerberg, Jan Y Verbakel, Hajime Uno, 2020 .

Self-reported symptoms of depressed mood, trait anxiety and aggressive behavior in post-pubertal adolescents: Associations with diurnal cortisol profiles

S. Huffel, B. Calster, B. V. D. Bergh, 2008, Hormones and Behavior.

Observational study on the long term cognitive and cardiac outcome after prenatal exposure to chemotherâpy in children 18 months or older

L. Lagae, F. Amant, B. Calster, 2011 .

The harm of class imbalance corrections for risk prediction models: illustration and simulation using logistic regression

Ruben van den Goorbergh, D. Timmerman, B. Calster, 2022, J. Am. Medical Informatics Assoc..

An application of methods for the probabilistic three-class classification of pregnancies of unknown location

Sabine Van Huffel, Dirk Timmerman, Ben Van Calster, 2009, Artif. Intell. Medicine.

Comparing Methods for Multi-class Probabilities in Medical Decision Making Using LS-SVMs and Kernel Logistic Regression

Sabine Van Huffel, Johan A. K. Suykens, Dirk Timmerman, 2007, ICANN.

Are serum HE4 or ROMA scores useful to experienced examiners for improving characterization of adnexal masses after transvaginal ultrasonography?

T. Bourne, D. Timmerman, I. Vergote, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Differentiating stage I epithelial ovarian cancer from benign disease in women with adnexal tumors using biomarkers or the ROMA algorithm.

T. Bourne, D. Timmerman, I. Vergote, 2013, Gynecologic oncology.

Multicentre external validation of IOTA prediction models and RMI by operators with varied training

T. Bourne, D. Timmerman, B. Calster, 2013, British Journal of Cancer.

Clinical study investigating the role of lymphadenectomy, surgical castration and adjuvant hormonal treatment in endometrial stromal sarcoma

B. van Calster, P. Neven, S. Van Huffel, 2007, British Journal of Cancer.

Prenatal anxiety flattening of the day-time cortisol profile and depression in adolesence

S. Huffel, L. Lagae, B. Calster, 2006 .

Predicting successful vaginal birth after Cesarean section using a model based on Cesarean scar features examined by transvaginal sonography

T. Bourne, B. van Calster, D. Timmerman, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

cross-sectional survey of the UK physicians welfare and defensive practice : a investigations and how these relate to processes involved in complaints Doctors ' perception of support and the Audenhove

T. Bourne, D. Timmerman, B. Calster, 2017 .

Does the presence of a Caesarean section scar affect implantation site and early pregnancy outcome in women attending an early pregnancy assessment unit?

T. Bourne, B. van Calster, D. Timmerman, 2013, Human reproduction.

Diagnostic protocols for the management of pregnancy of unknown location: a systematic review and meta‐analysis

T. Bourne, B. van Calster, D. Timmerman, 2018, BJOG : an international journal of obstetrics and gynaecology.

Managing pregnancy of unknown location based on initial serum progesterone and serial serum hCG levels: development and validation of a two‐step triage protocol

T. Bourne, B. van Calster, D. Timmerman, 2016, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Prediction of ectopic pregnancy in women with a pregnancy of unknown location

S Van Huffel, D Timmerman, B Van Calster, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

External validation of ADNEX model for diagnosing ovarian cancer: evaluating performance of differentiation between tumor subgroups

B. van Calster, B. Calster, Ku, 2017, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Evaluating the risk of ovarian cancer before surgery using the ADNEX model: a multicentre external validation study

T. Bourne, B. van Calster, D. Timmerman, 2016, British Journal of Cancer.

Subjective assessment versus ultrasound models to diagnose ovarian cancer: A systematic review and meta-analysis.

D Timmerman, B Van Calster, B. van Calster, 2016, European journal of cancer.

Simple ultrasound‐based rules for the diagnosis of ovarian cancer

D. Jurkovic, T. Bourne, B. van Calster, 2008, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Impact of predictor measurement heterogeneity across settings on the performance of prediction models: A measurement error perspective

E W Steyerberg, R H H Groenwold, B Van Calster, 2019, Statistics in medicine.

Viability of intrauterine pregnancy in women with pregnancy of unknown location: prediction using human chorionic gonadotropin ratio vs. progesterone

S. Van Huffel, D. Timmerman, B. Van Calster, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Rationalizing the follow-up of pregnancies of unknown location.

S Van Huffel, D Timmerman, B Van Calster, 2007, Human reproduction.

General obstetrics: Failing pregnancies of unknown location: a prospective evaluation of the human chorionic gonadotrophin ratio

T. Bourne, B. van Calster, D. Timmerman, 2006, BJOG : an international journal of obstetrics and gynaecology.

Triaging pregnancies of unknown location: the performance of protocols based on single serum progesterone or repeated serum hCG levels.

T. Bourne, B. van Calster, D. Timmerman, 2014, Human reproduction.

Rationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnancies.

T. Bourne, B. van Calster, D. Timmerman, 2013, Human reproduction.

Prospective cross-validation of three methods of predicting failing pregnancies of unknown location.

T. Bourne, B. van Calster, D. Timmerman, 2007, Human reproduction.

Clinical implications of intra‐ and interobserver reproducibility of transvaginal sonographic measurement of gestational sac and crown–rump length at 6–9 weeks' gestation

S. Van Huffel, D. Van Schoubroeck, D. Timmerman, 2011, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Untapped potential of multicenter studies: a review of cardiovascular risk prediction models revealed inappropriate analyses and wide variation in reporting

D. Timmerman, L. Wynants, D. M. Kent, 2019, Diagnostic and Prognostic Research.

Key steps and common pitfalls in developing and validating risk models

B. van Calster, B. Calster, L. Wynants, 2017, BJOG : an international journal of obstetrics and gynaecology.

Endometriomas: their ultrasound characteristics

T. Bourne, B. van Calster, D. Timmerman, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Imaging in gynaecology: How good are we in identifying endometriomas?

T. Bourne, B. van Calster, D. Timmerman, 2009, Facts, views & vision in ObGyn.

Changing predictor measurement procedures affected the performance of prediction models in clinical examples.

M van Smeden, D Timmerman, L Wynants, 2019, Journal of clinical epidemiology.

A simulation study of sample size demonstrated the importance of the number of events per variable to develop prediction models in clustered data.

S Van Huffel, D Timmerman, W Bouwmeester, 2015, Journal of clinical epidemiology.

Assessing performance and clinical usefulness in prediction models with survival outcomes: practical guidance for Cox proportional hazards models

T. Therneau, B. van Calster, E. Steyerberg, 2022, medRxiv.

Predicting the outcome of pregnancies of unknown location: Bayesian networks with expert prior information compared to logistic regression.

S Van Huffel, D Timmerman, B De Moor, 2006, Human reproduction.

Abstract P6-07-19: Prognostic relevance of PR and detection mode in Luminal Her-2 negative breast cancer

P. Neven, R. Paridaens, M. Christiaens, 2012 .

Reply to A.C. Voogd et al

P. Neven, M. Christiaens, H. Wildiers, 2009 .

Aromatase inhibitor-induced loss of grip strength is body mass index dependent: hypothesis-generating findings for its pathogenesis.

B. van Calster, D. Timmerman, P. Neven, 2011, Annals of oncology : official journal of the European Society for Medical Oncology.

Metrics reloaded: Pitfalls and recommendations for image analysis validation

M. Jorge Cardoso, Anne L. Martel, Bjoern H Menze, 2022, ArXiv.

Improving strategies for diagnosing ovarian cancer: a summary of the International Ovarian Tumor Analysis (IOTA) studies

J. Kaijser, C. Van Holsbeke, L. Valentin, 2013, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Using Bayesian neural networks with ARD input selection to detect malignant ovarian masses prior to surgery

Sabine Van Huffel, Dirk Timmerman, Ian T. Nabney, 2008, Neural Computing and Applications.

Tamoxifen metabolism and efficacy in breast cancer – a prospective multicentre trial

S. Huffel, D. Lambrechts, R. Paridaens, 2020 .

An alternative substantive factor structure of the emotional autonomy scale

L. Goossens, B. Calster, B. Duriez, 2005 .

Ovarian cancer prediction in adnexal masses using ultrasound‐based logistic regression models: a temporal and external validation study by the IOTA group

S Van Huffel, D Timmerman, I Vergote, 2010, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Strategies to diagnose ovarian cancer: new evidence from phase 3 of the multicentre international IOTA study

D Timmerman, I Vergote, L Wynants, 2014, British Journal of Cancer.

Metrics reloaded: Recommendations for image analysis validation

Anne L. Martel, Charles E. Kahn, Bjoern H Menze, 2022, 2206.01653.

Does ignoring clustering in multicenter data influence the performance of prediction models? A simulation study

S Van Huffel, D Timmerman, Y Vergouwe, 2018, Statistical methods in medical research.

The ADNEX risk prediction model for ovarian cancer diagnosis: A systematic review and meta-analysis of external validation studies

D. Timmerman, L. Valentin, P. Dhiman, 2023, medRxiv.

The clinical performance of the M4 decision support model to triage women with a pregnancy of unknown location as at low or high risk of complications.

T. Bourne, B. van Calster, D. Timmerman, 2016, Human reproduction.

A spline-based tool to assess and visualize the calibration of multiclass risk predictions

S. Huffel, T. Bourne, D. Timmerman, 2015, J. Biomed. Informatics.

Neoadjuvant chemotherapy followed by interval debulking surgery in patients with serous endometrial cancer with transperitoneal spread (stage IV): a new preferred treatment?

B. van Calster, P. Neven, F. Amant, 2009, British Journal of Cancer.

Random‐effects meta‐analysis of the clinical utility of tests and prediction models

R D Riley, D Timmerman, L Wynants, 2018, Statistics in medicine.

Assessment of protein biomarkers for preoperative differential diagnosis between benign and malignant ovarian tumors.

T. Bourne, B. van Calster, D. Timmerman, 2020, Gynecologic oncology.

Clinical study investigating the role of lymphadenectomy, surgical castration and adjuvant hormonal treatment in endometrial stromal sarcoma

P. Neven, F. Amant, B. Calster, 2007, British Journal of Cancer.

Typical ultrasound features of various endometrial pathologies described using International Endometrial Tumor Analysis (IETA) terminology in women with abnormal uterine bleeding

T. Bourne, B. van Calster, D. Timmerman, 2020, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Ultrasound characteristics of endometrial cancer as defined by International Endometrial Tumor Analysis (IETA) consensus nomenclature: prospective multicenter study

B. Moor, T. Bourne, B. De Moor, 2017, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Collagen plug sealing of iatrogenic fetal membrane defects after fetoscopic surgery for congenital diaphragmatic hernia

L. Lewi, B. Calster, J. Richter, 2014, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Impact of the availability of sonography in the acute gynecology unit

T. Bourne, B. van Calster, D. Timmerman, 2006, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

The International Journal of Biostatistics Evaluating a New Marker for Risk Prediction Using the Test Tradeoff : An Update

B. van Calster, E. Steyerberg, S. Baker, 2012 .

Subjective assessment versus ultrasound models to diagnose ovarian cancer: A systematic review and

B. Calster, R. Kruitwagen, J. Kaijser, 2016 .

Practical guidance for applying the ADNEX model from the IOTA group to discriminate between different subtypes of adnexal tumors

T. Bourne, B. van Calster, D. Timmerman, 2015, Facts, views & vision in ObGyn.

The Bayesian approach: a natural framework for statistical modeling

S. Van Huffel, D. Timmerman, B. Van Calster, 2007, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Predicting the risk of malignancy in adnexal masses based on the Simple Rules from the International Ovarian Tumor Analysis ( IOTA ) group

B. Calster, C. Landolfo, W. Froyman, 2016 .

Adding a single CA 125 measurement to ultrasound imaging performed by an experienced examiner does not improve preoperative discrimination between benign and malignant adnexal masses

S. Huffel, T. Bourne, B. van Calster, 2009, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

Metrics reloaded: recommendations for image analysis validation.

Anne L. Martel, Charles E. Kahn, Bjoern H Menze, 2022, Nature methods.

THE POSITIVE ASSOCIATION BETWEEN BREAST TUMOR SIZE AND LYMPH NODE INVOLVEMENT IN LOBULAR BREAST CANCERS IS PROGESTERONE RECEPTOR DEPENDENT

P. Neven, R. Paridaens, H. Wildiers, 2010 .

Stellate ganglion block for the management of hot flashes and sleep disturbances in breast cancer survivors: an uncontrolled experimental study with 24 weeks of follow-up.

J. Menten, B. van Calster, P. Neven, 2012, Annals of oncology : official journal of the European Society for Medical Oncology.

Does a prediction model for pregnancy of unknown location developed in the UK validate on a US population?

K. Barnhart, T. Bourne, B. van Calster, 2010, Human Reproduction.

There is no role for uterine curettage in the contemporary diagnostic workup of women with a pregnancy of unknown location.

T. Bourne, B. van Calster, D. Timmerman, 2006, Human reproduction.

TRIPOD+AI statement: updated guidance for reporting clinical prediction models that use regression or machine learning methods

A. Boulesteix, G. Varoquaux, M. Sendak, 2024, BMJ.