Habbema, J. Dik F.

Patient age and outcome following severe traumatic brain injury: an analysis of 5600 patients

Hukkelhoven, C. W. P. M., Steyerberg, E. W., Rampen, A. J. J., Farace, E., Habbema, J. D. F., Marshall, L. F., Murray, G. D., & Maas, A. I. R. (2003) · Journal of Neurosurgery

Traumatic Brain Injury and Neurovascular DisturbancesTraumatic Brain Injury Research

Cited by 641

Substantial effective sample sizes were required for external validation studies of predictive logistic regression models

Vergouwe, Y., Steyerberg, E. W., Eijkemans, M. J. C., & Habbema, J. D. F. (2005) · Journal of Clinical Epidemiology

Statistical Methods in EpidemiologyStatistical Methods in Clinical Trials

Cited by 636

A nomogram to predict the probability of live birth after clomiphene citrate induction of ovulation in normogonadotropic oligoamenorrheic infertility

Imani, B., Eijkemans, M. J. C., te Velde, E. R., Habbema, J. D. F., & Fauser, B. C. J. M. (2002) · Fertility and Sterility

Reproductive Health and TechnologiesOvarian function and disorders

Cited by 262

Covariate adjustment in randomized controlled trials with dichotomous outcomes increases statistical power and reduces sample size requirements

Hernández, A. V., Steyerberg, E. W., & Habbema, J. D. F. (2004) · Journal of Clinical Epidemiology

Statistical Methods in Clinical TrialsStatistical Methods in Epidemiology

Cited by 258

Effect of 25 weeks probiotic supplementation on immune function of HIV patients

Hummelen, R., Changalucha, J., Butamanya, N. L., Koyama, T. E., Cook, A., Habbema, J. D. F., & Reid, G. (2011) · Gut Microbes

Probiotics and Fermented FoodsHIV Research and Treatment

Cited by 117

Reply: Pregnancy is predictable: a large-scale prospective external validation of the prediction of spontaneous pregnancy in subfertile couples

van der Steeg, J. W., Steures, P., Eijkemans, M. J. C., Habbema, J. D. F., Hompes, P. G. A., Broekmans, F. J., van Dessel, T. H. J. H. M., Bossuyt, P. M. M., van der Veen, F., & Mol, B. W. J. (2007) · Human Reproduction

Reproductive Health and TechnologiesReproductive Health and Contraception

Cited by 2