Published in BMC Med Res Methodol on April 15, 2013
Power calculation for overall hypothesis testing with high-dimensional commensurate outcomes. Stat Med (2013) 0.77
LIFESPAN: A tool for the computer-aided design of longitudinal studies. Front Psychol (2015) 0.76
Caution regarding the use of pilot studies to guide power calculations for study proposals. Arch Gen Psychiatry (2006) 5.30
On the use of a pilot sample for sample size determination. Stat Med (1995) 2.61
The persistence of underpowered studies in psychological research: causes, consequences, and remedies. Psychol Methods (2004) 2.49
Statistical tests with accurate size and power for balanced linear mixed models. Stat Med (2007) 2.27
BIAS IN LINEAR MODEL POWER AND SAMPLE SIZE DUE TO ESTIMATING VARIANCE. Commun Stat Theory Methods (1997) 1.82
Computing Confidence Bounds for Power and Sample Size of the General Linear Univariate Model. Am Stat (1995) 1.69
BIAS IN LINEAR MODEL POWER AND SAMPLE SIZE CALCULATION DUE TO ESTIMATING NONCENTRALITY. Commun Stat Theory Methods (1996) 1.64
Properties of internal pilots with the univariate approach to repeated measures. Stat Med (2003) 1.63
Analytic, Computational, and Approximate Forms for Ratios of Noncentral and Central Gaussian Quadratic Forms. J Comput Graph Stat (2006) 1.24
Global hypothesis testing for high-dimensional repeated measures outcomes. Stat Med (2011) 0.92
Brief but efficient: acute HIV infection and the sexual transmission of HIV. J Infect Dis (2004) 8.30
Antiretroviral drug exposure in the female genital tract: implications for oral pre- and post-exposure prophylaxis. AIDS (2007) 4.89
Amplified transmission of HIV-1: comparison of HIV-1 concentrations in semen and blood during acute and chronic infection. AIDS (2007) 3.72
Aminotransferase elevations in healthy adults receiving 4 grams of acetaminophen daily: a randomized controlled trial. JAMA (2006) 3.49
An R2 statistic for fixed effects in the linear mixed model. Stat Med (2008) 2.53
Effects of home access and availability of alcohol on young adolescents' alcohol use. Addiction (2007) 2.35
Incidence of ventricular shunt placement for hydrocephalus with clipping versus coiling for ruptured and unruptured cerebral aneurysms in the Nationwide Inpatient Sample database: 2002 to 2007. World Neurosurg (2011) 2.12
Deformable M-Reps for 3D Medical Image Segmentation. Int J Comput Vis (2003) 2.10
Cantharidin for the treatment of molluscum contagiosum: a prospective, double-blinded, placebo-controlled trial. Pediatr Dermatol (2012) 2.00
Adaptive trial designs: a review of barriers and opportunities. Trials (2012) 1.91
Sex and menopausal status influence human dietary requirements for the nutrient choline. Am J Clin Nutr (2007) 1.76
Computing Confidence Bounds for Power and Sample Size of the General Linear Univariate Model. Am Stat (1995) 1.69
Recommendations for planning pilot studies in clinical and translational research. Clin Transl Sci (2011) 1.67
Properties of internal pilots with the univariate approach to repeated measures. Stat Med (2003) 1.63
Real longitudinal data analysis for real people: building a good enough mixed model. Stat Med (2010) 1.61
Interpretation of digital mammograms: comparison of speed and accuracy of soft-copy versus printed-film display. Radiology (2002) 1.59
Quantitative imaging test approval and biomarker qualification: interrelated but distinct activities. Radiology (2011) 1.48
Cigarette smoking, stress-induced analgesia and pain perception in men and women. Pain (2005) 1.47
Comparison of human and automatic segmentations of kidneys from CT images. Int J Radiat Oncol Biol Phys (2005) 1.47
Effect of a vascular endothelial cadherin antagonist in a rat lung transplant model. Ann Thorac Surg (2013) 1.43
Avoiding bias in mixed model inference for fixed effects. Stat Med (2011) 1.43
Variation in oral clearance of saquinavir is predicted by CYP3A5*1 genotype but not by enterocyte content of cytochrome P450 3A5. Clin Pharmacol Ther (2005) 1.35
The effect of coiling versus clipping of ruptured and unruptured cerebral aneurysms on length of stay, hospital cost, hospital reimbursement, and surgeon reimbursement at the university of Florida. Neurosurgery (2009) 1.25
Analytic, Computational, and Approximate Forms for Ratios of Noncentral and Central Gaussian Quadratic Forms. J Comput Graph Stat (2006) 1.24
Diagnostic accuracy of digital mammography in patients with dense breasts who underwent problem-solving mammography: effects of image processing and lesion type. Radiology (2003) 1.24
Analyzing attributes of vessel populations. Med Image Anal (2005) 1.24
A linear exponent AR(1) family of correlation structures. Stat Med (2010) 1.23
Stent-associated flow remodeling causes further occlusion of incompletely coiled aneurysms. Neurosurgery (2011) 1.21
Identification and preliminary characterization of ubiquitin C terminal hydrolase 1 (UCHL1) as a biomarker of neuronal loss in aneurysmal subarachnoid hemorrhage. J Neurosci Res (2010) 1.16
Psychosocial factors associated with mouth and throat cancer examinations in rural Florida. Am J Public Health (2011) 1.15
CYP3A5 genotype predicts renal CYP3A activity and blood pressure in healthy adults. J Appl Physiol (1985) (2003) 1.11
Characteristics and behaviors associated with HIV infection among inmates in the North Carolina prison system. Am J Public Health (2009) 1.09
Selecting a sample size for studies with repeated measures. BMC Med Res Methodol (2013) 1.09
Disparities in knowledge of mouth or throat cancer among rural Floridians. J Rural Health (2013) 1.08
Growth failure in early life: an important manifestation of Turner syndrome. Horm Res (2002) 1.06
A method for fitting regression splines with varying polynomial order in the linear mixed model. Stat Med (2006) 1.05
An evaluation of HIV testing among inmates in the North Carolina prison system. Am J Public Health (2009) 1.05
Adjusting power for a baseline covariate in linear models. Stat Med (2003) 1.04
The linkage between pediatric quality of life and health conditions: establishing clinically meaningful cutoff scores for the PedsQL. Value Health (2011) 1.04
Do men and women differ in proximal small intestinal CYP3A or P-glycoprotein expression? Drug Metab Dispos (2004) 1.01
Comparison of monounsaturated fat with carbohydrates as a replacement for saturated fat in subjects with a high metabolic risk profile: studies in the fasting and postprandial states. Am J Clin Nutr (2007) 1.01
Elevated virus loads of Kaposi's sarcoma-associated human herpesvirus 8 predict Kaposi's sarcoma disease progression, but elevated levels of human immunodeficiency virus type 1 do not. J Infect Dis (2002) 1.00
Prediction of lung function response for populations exposed to a wide range of ozone conditions. Inhal Toxicol (2012) 0.98
Ozone exposure-response model for lung function changes: an alternate variability structure. Inhal Toxicol (2013) 0.97
Conjugal Alzheimer disease: risk in children when both parents have Alzheimer disease. Arch Neurol (2008) 0.95
Metabolomic analysis reveals extended metabolic consequences of marginal vitamin B-6 deficiency in healthy human subjects. PLoS One (2013) 0.94
Risk factors for development of cholestatic drug-induced liver injury: inhibition of hepatic basolateral bile acid transporters multidrug resistance-associated proteins 3 and 4. Drug Metab Dispos (2013) 0.93
Defining cancer cachexia in head and neck squamous cell carcinoma. Clin Cancer Res (2007) 0.93
Some Distributions and Their Implications for an Internal Pilot Study With a Univariate Linear Model. Commun Stat Theory Methods (2000) 0.93
Increasing screening intentions for oral and pharyngeal cancer. Ann Behav Med (2013) 0.92
Global hypothesis testing for high-dimensional repeated measures outcomes. Stat Med (2011) 0.92
A COMPARISON OF POWER APPROXIMATIONS FOR SATTERTHWAITE'S TEST. Commun Stat Simul Comput (1995) 0.91
Health literacy: a pathway to better oral health. Am J Public Health (2014) 0.90
A new method for choosing sample size for confidence interval-based inferences. Biometrics (2003) 0.88
Combining an Internal Pilot with an Interim Analysis for Single Degree of Freedom Tests. Commun Stat Theory Methods (2010) 0.87
Exact calculations of average power for the Benjamini-Hochberg procedure. Int J Biostat (2008) 0.86
Comparison of calcification specificity in digital mammography using soft-copy display versus screen-film mammography. AJR Am J Roentgenol (2006) 0.86
Internal pilots for a class of linear mixed models with Gaussian and compound symmetric data. Stat Med (2007) 0.86
The temporal dynamics of ozone-induced FEV1 changes in humans: an exposure-response model. Inhal Toxicol (2007) 0.86
6'7'-Dihydroxybergamottin contributes to the grapefruit juice effect. Clin Pharmacol Ther (2004) 0.86
Predictive value of initial triage vital signs for critically ill older adults. West J Emerg Med (2013) 0.85
Closure times measured by the platelet function analyzer PFA-100 are longer in neonatal blood compared to cord blood samples. Neonatology (2009) 0.85
Bias in trials comparing paired continuous tests can cause researchers to choose the wrong screening modality. BMC Med Res Methodol (2009) 0.85
Clinical Outcome and Biological Predictors of Relapse After Nephrectomy Only for Very Low-risk Wilms Tumor: A Report From Children's Oncology Group AREN0532. Ann Surg (2016) 0.85
Incidence of seizures or epilepsy after clipping or coiling of ruptured and unruptured cerebral aneurysms in the nationwide inpatient sample database: 2002-2007. Neurosurgery (2011) 0.85
Marginal vitamin B-6 deficiency decreases plasma (n-3) and (n-6) PUFA concentrations in healthy men and women. J Nutr (2012) 0.84
Factors associated with aspirin resistance in patients premedicated with aspirin and clopidogrel for endovascular neurosurgery. Neurosurgery (2009) 0.84
Lower incidence of reoperation with longer shunt survival with adult ventriculoperitoneal shunts placed for hemorrhage-related hydrocephalus. Neurosurgery (2008) 0.84
Human immunodeficiency virus type 1 RNA in breast-milk components. J Infect Dis (2003) 0.84
Inhaled versus systemic antibiotics and airway inflammation in children with cystic fibrosis and Pseudomonas. Pediatr Pulmonol (2010) 0.83
Linear accelerator radiosurgery for nonvestibular schwannomas. Neurosurgery (2011) 0.82
Timing of aneurysm surgery: the International Cooperative Study revisited in the era of endovascular coiling. J Neurointerv Surg (2010) 0.82
Repeat radiosurgery for intracranial arteriovenous malformations. Neurosurgery (2012) 0.82
Symptom patterns and subgrouping of schizophrenic patients: significance of negative symptoms assessed on admission. Schizophr Res (2002) 0.82
A new class of mixture models for differential gene expression in DNA microarray data. J Stat Plan Inference (2008) 0.82
Bayesian influence measures for joint models for longitudinal and survival data. Biometrics (2012) 0.81
Validation of the radiosurgery-based arteriovenous malformation score in a large linear accelerator radiosurgery experience. J Neurosurg (2009) 0.80
Assessment of real-time 3D visualization for cardiothoracic diagnostic evaluation and surgery planning. J Digit Imaging (2005) 0.80
Determinants of First-Time Cancer Examinations in a Rural Community: A Mechanism for Behavior Change. Am J Public Health (2015) 0.79
Postmortem and ex vivo carbon monoxide ventilation reduces injury in rat lungs transplanted from non-heart-beating donors. J Thorac Cardiovasc Surg (2012) 0.79
Linear accelerator radiosurgery for cavernous sinus meningiomas. Stereotact Funct Neurosurg (2009) 0.78
Analytic methods for individually randomized group treatment trials and group-randomized trials when subjects belong to multiple groups. Stat Med (2014) 0.78
Effects of uridine diphosphate glucuronosyltransferase 2B7 and 1A7 pharmacogenomics and patient clinical parameters on steady-state mycophenolic acid pharmacokinetics in glomerulonephritis. Eur J Clin Pharmacol (2010) 0.78
The influence of sex, ethnicity, and CYP2B6 genotype on bupropion metabolism as an index of hepatic CYP2B6 activity in humans. Drug Metab Dispos (2012) 0.77
Power calculation for overall hypothesis testing with high-dimensional commensurate outcomes. Stat Med (2013) 0.77
Rapid fabrication of custom patient biopsy guides. J Appl Clin Med Phys (2009) 0.76
Frozen blastocyst embryo transfer using a supplemented natural cycle protocol has a similar live birth rate compared to a programmed cycle protocol. J Assist Reprod Genet (2015) 0.76
Relationship between higher rates of adverse events in deep brain stimulation using standardized prospective recording and patient outcomes. Neurosurg Focus (2010) 0.76
Improved approximate confidence intervals for the mean of a log-normal random variable. Stat Med (2002) 0.76
Radiographic response of brain metastasis after linear accelerator radiosurgery. Stereotact Funct Neurosurg (2012) 0.75
Attitudes of dermatologists in the southeastern United States regarding treatment of alopecia areata: a cross-sectional survey study. BMC Dermatol (2009) 0.75
Monthly haemostatic factor variability in women and men. Eur J Clin Invest (2014) 0.75