Published in Biometrics on March 01, 1980
Research designs for studies evaluating the effectiveness of change and improvement strategies. Qual Saf Health Care (2003) 4.46
Hereditary "pure" spastic paraplegia: a clinical and genetic study of 22 families. J Neurol Neurosurg Psychiatry (1981) 2.95
Sibling and parent--offspring correlation estimation with variable family size. Proc Natl Acad Sci U S A (1981) 1.63
STUDIES IN FETAL BEHAVIOR: REVISITED, RENEWED, AND REIMAGINED. Monogr Soc Res Child Dev (2015) 1.49
Heritability of pre-adult viability differences can explain apparent heritability of sperm displacement ability in Drosophila melanogaster. Proc Biol Sci (1997) 1.21
A guide for multilevel modeling of dyadic data with binary outcomes using SAS PROC NLMIXED. Comput Stat Data Anal (2006) 1.15
Functional imaging of head and neck squamous cell carcinoma with diffusion-weighted MRI and FDG PET/CT: quantitative analysis of ADC and SUV. Eur J Nucl Med Mol Imaging (2013) 1.12
Clustering in surgical trials--database of intracluster correlations. Trials (2012) 1.06
Effect of sample stratification on dairy GWAS results. BMC Genomics (2012) 1.02
Comparing hydrogeomorphic approaches to lake classification. Environ Manage (2011) 0.91
Environmental shaping of codon usage and functional adaptation across microbial communities. Nucleic Acids Res (2013) 0.89
Computer-aided diagnosis of rheumatoid arthritis with optical tomography, Part 1: feature extraction. J Biomed Opt (2013) 0.89
Validation of the Cough Quality-of-Life Questionnaire in patients with idiopathic pulmonary fibrosis. Chest (2013) 0.89
Genetic analysis of diabetes and insulitis in an interspecific cross of the nonobese diabetic mouse with Mus spretus. Proc Natl Acad Sci U S A (1993) 0.88
Impact of point-of-care diagnostics on maternal outcomes in HIV-infected women: systematic review and meta-analysis protocol. BMJ Open (2016) 0.83
A variability study of regional alveolar oxygen tension measurement in humans using hyperpolarized (3) He MRI. Magn Reson Med (2013) 0.80
Proposal of new upper airway margins in children assessed by CBCT. Dentomaxillofac Radiol (2015) 0.77
Structured sedation programs in the emergency department, hospital and other acute settings: protocol for systematic review of effects and events. Syst Rev (2013) 0.77
CpGFilter: model-based CpG probe filtering with replicates for epigenome-wide association studies. Bioinformatics (2015) 0.77
Statistical platform to discern spatial and temporal coordination of endothelial sprouting. Integr Biol (Camb) (2012) 0.76
Pharmacological interventions for paranoid personality disorder. Cochrane Database Syst Rev (2011) 0.75
Effectiveness of a brief community outreach tobacco cessation intervention in India: a cluster-randomised controlled trial (the BABEX Trial). Thorax (2016) 0.75
Outcome of children of parents with atopic asthma and transient childhood wheezy bronchitis. Thorax (1997) 0.75
Capturing Between- and Within-Family Differences in Parental Support to Adult Children: A Typology Approach. J Gerontol B Psychol Sci Soc Sci (2015) 0.75
Pharmacological interventions for schizotypal personality disorder. Cochrane Database Syst Rev (2011) 0.75
Maximum-likelihood estimation of familial correlations from multivariate quantitative data on pedigrees: a general method and examples. Am J Hum Genet (1987) 0.75
Utility of untimed single urine protein/creatinine ratio as a substitute for 24-h proteinuria for assessment of proteinuria in systemic lupus erythematosus. Arthritis Res Ther (2015) 0.75
The impact of patient-centered care on outcomes. J Fam Pract (2000) 15.07
Randomization by cluster. Sample size requirements and analysis. Am J Epidemiol (1981) 9.21
WHO antenatal care randomised trial for the evaluation of a new model of routine antenatal care. Lancet (2001) 6.86
Sample size and optimal designs for reliability studies. Stat Med (1998) 6.80
Small sample performance of tests of homogeneity of odds ratios in K 2 x 2 tables. Stat Med (1992) 6.20
Evaluation of a palliative care service: problems and pitfalls. BMJ (1994) 5.70
Developments in cluster randomized trials and Statistics in Medicine. Stat Med (2007) 4.12
Approaches to sample size estimation in the design of clinical trials--a review. Stat Med (1984) 3.28
Sample size requirements for reliability studies. Stat Med (1987) 3.15
Analysis of data arising from a stratified design with the cluster as unit of randomization. Stat Med (1987) 3.01
Non-alcoholic duct destructive chronic pancreatitis. Gut (1997) 2.79
Methods in health service research. Evaluation of health interventions at area and organisation level. BMJ (1999) 2.48
The merits of matching in community intervention trials: a cautionary tale. Stat Med (1997) 2.14
Randomised trialomania? The multicentre liver transplant trials of tacrolimus. Lancet (1995) 2.04
Adjustments to the Mantel-Haenszel chi-square statistic and odds ratio variance estimator when the data are clustered. Stat Med (1987) 2.00
Responsiveness of the short form-36, disability of the arm, shoulder, and hand questionnaire, patient-rated wrist evaluation, and physical impairment measurements in evaluating recovery after a distal radius fracture. J Hand Surg Am (2000) 1.98
Do family physicians need medical assistants to detect and manage hypertension? CMAJ (1986) 1.85
Current and future challenges in the design and analysis of cluster randomization trials. Stat Med (2001) 1.80
Hepatotoxicity of erythromycin estolate during pregnancy. Antimicrob Agents Chemother (1977) 1.75
The Pittsburgh randomized trial of tacrolimus compared to cyclosporine for hepatic transplantation. J Am Coll Surg (1996) 1.71
Construction of confidence limits about effect measures: a general approach. Stat Med (2008) 1.69
Interval estimation for Cohen's kappa as a measure of agreement. Stat Med (2000) 1.65
Risk of kidney stones with surgical intervention in living kidney donors. Am J Transplant (2013) 1.63
Plasma lipids and lipoproteins in vegetarians and controls. N Engl J Med (1975) 1.59
Persistence of middle-ear effusion after acute otitis media in children. N Engl J Med (1979) 1.50
Clinical spectrum of gonococcal infection in women. Lancet (1977) 1.49
Patient versus injury factors as predictors of pain and disability six months after a distal radius fracture. J Clin Epidemiol (2002) 1.46
Randomised study of n of 1 trials versus standard practice. BMJ (1996) 1.41
Are ordinal models useful for classification? Stat Med (1991) 1.40
Aerobic fitness in a population of independently living men and women aged 55-86 years. Med Sci Sports Exerc (1999) 1.36
The relationship of cigarette prices and no-smoking bylaws to the prevalence of smoking in Canada. Am J Public Health (1997) 1.32
A self-paced step test to predict aerobic fitness in older adults in the primary care clinic. J Am Geriatr Soc (2001) 1.31
A regression approach to the analysis of data arising from cluster randomization. Int J Epidemiol (1985) 1.28
Meta-analyses in systematic reviews of randomized controlled trials in perinatal medicine: comparison of fixed and random effects models. Stat Med (2001) 1.26
An empirical study of cluster randomization. Int J Epidemiol (1982) 1.26
Factors affecting the comparability of meta-analyses and largest trials results in perinatology. J Clin Epidemiol (1997) 1.24
Application of the McNemar test to non-independent matched pair data. Stat Med (1991) 1.22
The effect of chemical fixatives on cell walls of Bacillus subtilis. Can J Microbiol (1978) 1.22
Optimal intravenous dosing strategies for sedatives and analgesics in the intensive care unit. Crit Care Clin (1995) 1.21
Facilitation of brain stimulation reward by delta 9-tetrahydrocannabinol. Psychopharmacology (Berl) (1988) 1.19
Comprehensive tobacco control policies and the smoking behaviour of Canadian adults. Tob Control (2001) 1.16
Biochemical characterization of binding of multiple HIV-1 Rev monomeric proteins to the Rev responsive element. Biochemistry (1993) 1.16
The design of controlled experiments in the evaluation of non-therapeutic interventions. J Chronic Dis (1982) 1.15
Effectiveness of the family physician in hypertension screening and management. Can Fam Physician (1982) 1.14
Sample size calculation for cluster randomized cross-over trials. Stat Med (2008) 1.13
SELEX and missing phosphate contact analyses reveal flexibility within the AP-2[alpha] protein: DNA binding complex. Nucleic Acids Res (1999) 1.11
A multivariate analysis of family data. Am J Epidemiol (1981) 1.11
Randomization by cluster. Nurs Res (1991) 1.09
Trimethoprim-sulfamethoxazole compared with ampicillin in the treatment of acute otitis media. J Pediatr (1980) 1.09
Orogenital contact and the isolation of Neisseria gonorrhoeae, Mycoplasma hominis, and Ureaplasma urealyticum from the pharynx. Sex Transm Dis (1979) 1.07
Theophylline for irreversible chronic airflow limitation: a randomized study comparing n of 1 trials to standard practice. Chest (1999) 1.04
Inference procedures for assessing interobserver agreement among multiple raters. Biometrics (2001) 1.04
Design considerations in the estimation of intraclass correlation. Ann Hum Genet (1982) 1.03
Lipids and stroke: a paradox resolved. Arch Neurol (1996) 1.02
Plasma levels of vitamin E and carotenoids are decreased in patients with Nonalcoholic Steatohepatitis (NASH). Eur J Med Res (2011) 1.01
Therapeutics and inflammatory bowel disease: a guide to the interpretation of randomized controlled trials. Gastroenterology (1996) 1.01
A comparison of confidence interval methods for the intraclass correlation coefficient. Biometrics (1986) 1.00
Oestrogen use and survival in endometrial cancer. Lancet (1980) 1.00
Peritoneal sclerosis in peritoneal dialysis patients related to dialysis settings and peritoneal transport properties. Kidney Int Suppl (2001) 1.00
Are psychosocial factors related to smoking in grade-6 students? Addict Behav (1997) 0.98
Infection control practices across Canada: do dentists follow the recommendations? J Can Dent Assoc (1999) 0.97
Application of the analysis of variance to hemagglutination titrations. J Immunol Methods (1973) 0.97
Age and sex effects on mobility of the human ankle. J Gerontol (1992) 0.96
The WHO antenatal care randomised controlled trial: rationale and study design. Paediatr Perinat Epidemiol (1998) 0.95
Changes in dentists' infection control practices, knowledge, and attitudes about HIV over a 2-year period. Oral Surg Oral Med Oral Pathol Oral Radiol Endod (1996) 0.93
Factors associated with refusal to treat HIV-infected patients: the results of a national survey of dentists in Canada. Am J Public Health (1999) 0.93
Population pharmacodynamics of midazolam administered by target controlled infusion in SICU patients after CABG surgery. Anesthesiology (1998) 0.93
Long-term comparison of two surgical flap designs for third molar surgery on the health of the periodontal tissue of the second molar tooth. J Can Dent Assoc (1988) 0.93
Compliance with recommended infection control procedures among Canadian dentists: results of a national survey. Am J Infect Control (1999) 0.92
Temperature effects on conduction studies of normal and abnormal nerve. Muscle Nerve (1982) 0.92
The effects of kaolin on the lung. Am Rev Respir Dis (1988) 0.92
Activator protein-2 mediates transcriptional activation of the CYP11A1 gene by interaction with Sp1 rather than binding to DNA. Mol Endocrinol (1999) 0.92
The analysis of intraclass correlation in multiple samples. Ann Hum Genet (1985) 0.92
Case-control study of hair dye use by patients with breast cancer and endometrial cancer. J Natl Cancer Inst (1979) 0.92
Ventricular cerebrospinal fluid and serum concentrations of sTNFR-I, IL-1ra, and IL-6 after aneurysmal subarachnoid hemorrhage. J Neurosurg Anesthesiol (2000) 0.92
2,3-Dimercapto-1-propanesulphonate in heavy metal poisoning. Med Toxicol Adverse Drug Exp (1987) 0.92
Behavior pattern A and compliance with antihypertensive treatment. Acta Med Scand Suppl (1985) 0.92
The use of correlation and regression in the analysis of family resemblance. Am J Epidemiol (1979) 0.91
Occupational injuries and exposures among Canadian dentists: the results of a national survey. Infect Control Hosp Epidemiol (1999) 0.91
Value of flumazenil in benzodiazepine self-poisoning. Med Toxicol Adverse Drug Exp (1988) 0.90
The degree and type of relationship between psychosocial variables and smoking status for students in grade 8: is there a dose-response relationship? Prev Med (1998) 0.90
Comparative value of the cold-pressor test and supine bicycle exercise to detect subjects with coronary artery disease using radionuclide ventriculography. Circulation (1982) 0.90
Is smoking associated with the risk of developing Alzheimer's disease? Results from three Canadian data sets. Ann Epidemiol (2000) 0.89
Population pharmacokinetics of midazolam administered by target controlled infusion for sedation following coronary artery bypass grafting. Anesthesiology (1998) 0.89
Indocyanine green video angiographies help to identify burns requiring operation. Burns (2003) 0.89
Nonresponse bias in a survey of Ontario dentists' infection control and attitudes concerning HIV. J Public Health Dent (1997) 0.89
Effect of ingestion of meat on plasma cholesterol of vegetarians. JAMA (1981) 0.89
A comparison of tests of homogeneity of odds ratios in K 2 x 2 tables. Stat Med (1989) 0.89
HLA and cross-reactive antigen group matching for cadaver kidney allocation. Transplantation (1997) 0.89
Problems in design of stroke treatment trials. Stroke (1982) 0.89
Immunocytochemistry and DNA-image cytometry in diagnostic effusion cytology I. Prevalence of markers in tumour cell positive and negative smears. Anal Cell Pathol (1999) 0.89
Lung function in older humans: the contribution of body composition, physical activity and smoking. Ann Hum Biol (2001) 0.89
The analysis of variance adjustment to chi-square tests when there is litter or herd correlation in surveys or field trials. Acta Vet Scand Suppl (1988) 0.88
Shivering and shivering-like tremor during labor with and without epidural analgesia. Anesthesiology (1999) 0.88
The prognosis of hypertension according to age at onset. Hypertension (1987) 0.87
Immunocytochemistry and DNA-image cytometry in diagnostic effusion cytology. II. Diagnostic accuracy in equivocal smears. Anal Cell Pathol (1999) 0.87
A case-control study of hair-dye use and cancers of various sites. Br J Cancer (1981) 0.87