Published in World J Surg on March 01, 2006
Low rate of infected knee replacements in a nationwide series--is it an underestimate? Acta Orthop (2009) 1.32
Disagreement in primary study selection between systematic reviews on negative pressure wound therapy. BMC Med Res Methodol (2008) 0.91
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Use and accuracy of diagnostic imaging in the evaluation of pediatric appendicitis. J Pediatr Surg (2014) 0.85
A review for clinical outcomes research: hypothesis generation, data strategy, and hypothesis-driven statistical analysis. Surg Endosc (2011) 0.84
Risk factors for venous thromboembolism after hysterectomy. Obstet Gynecol (2015) 0.78
Critical appraisal of meta-analyses: an introductory guide for the practicing surgeon. Patient Saf Surg (2009) 0.78
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Tissue banking in a regional hospital: a promising future concept? First report on fresh frozen tissue banking in a hospital without an integrated institute of pathology. World J Surg (2012) 0.75
Current trends in racial, ethnic, and healthcare disparities associated with pediatric cardiac surgery outcomes. Congenit Heart Dis (2017) 0.75
Population-based trend analysis of laparoscopic Nissen and Toupet fundoplications for gastroesophageal reflux disease. Surg Endosc (2010) 0.75
Hospital volume and surgical mortality in the United States. N Engl J Med (2002) 25.79
Randomized, controlled trials, observational studies, and the hierarchy of research designs. N Engl J Med (2000) 19.56
The effect of race and sex on physicians' recommendations for cardiac catheterization. N Engl J Med (1999) 17.75
A controlled trial of arthroscopic surgery for osteoarthritis of the knee. N Engl J Med (2002) 16.75
The importance of beta, the type II error and sample size in the design and interpretation of the randomized control trial. Survey of 71 "negative" trials. N Engl J Med (1978) 15.13
Small area variations in health care delivery. Science (1973) 14.34
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The outcomes movement--will it get us where we want to go? N Engl J Med (1990) 12.03
Impact of hospital volume on operative mortality for major cancer surgery. JAMA (1998) 11.05
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Racial differences in the treatment of early-stage lung cancer. N Engl J Med (1999) 9.65
Adjusting for multiple testing--when and how? J Clin Epidemiol (2001) 8.85
Discordance of databases designed for claims payment versus clinical information systems. Implications for outcomes research. Ann Intern Med (1993) 8.75
Better reporting of randomised controlled trials: the CONSORT statement. BMJ (1996) 8.39
If nothing goes wrong, is everything all right? Interpreting zero numerators. JAMA (1983) 8.36
What are pragmatic trials? BMJ (1998) 7.93
Accuracy of diagnostic coding for Medicare patients under the prospective-payment system. N Engl J Med (1988) 6.51
Statistical power, sample size, and their reporting in randomized controlled trials. JAMA (1994) 6.36
Racial, ethnic, and geographic disparities in rates of knee arthroplasty among Medicare patients. N Engl J Med (2003) 6.23
The effects of regionalization on cost and outcome for one general high-risk surgical procedure. Ann Surg (1995) 5.95
Relation of perioperative deaths to hospital volume among patients undergoing pancreatic resection for malignancy. Ann Surg (1995) 5.90
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Laparoscopic or conventional Nissen fundoplication for gastro-oesophageal reflux disease: randomised clinical trial. The Netherlands Antireflux Surgery Study Group. Lancet (2000) 5.31
Geographic variation in the treatment of localized breast cancer. N Engl J Med (1992) 4.39
Racial differences in survival from breast cancer. Results of the National Cancer Institute Black/White Cancer Survival Study. JAMA (1994) 4.35
Need for expertise based randomised controlled trials. BMJ (2005) 4.34
Geographic variation in the use of breast-conserving treatment for breast cancer. N Engl J Med (1992) 4.30
The ethical problems with sham surgery in clinical research. N Engl J Med (1999) 4.17
The healthcare cost and utilization project: an overview. Eff Clin Pract (2002) 3.49
Has misdiagnosis of appendicitis decreased over time? A population-based analysis. JAMA (2001) 3.06
Population-based study of relationships between hospital volume of prostatectomies, patient outcomes, and length of hospital stay. J Natl Cancer Inst (1999) 2.96
Laparoscopic versus open appendectomy: outcomes comparison based on a large administrative database. Ann Surg (2004) 2.95
Use of claims data systems to evaluate health care outcomes. Mortality and reoperation following prostatectomy. JAMA (1987) 2.84
A comparison of administrative versus clinical data: coronary artery bypass surgery as an example. Ischemic Heart Disease Patient Outcomes Research Team. J Clin Epidemiol (1994) 2.79
Accuracy of Medicare claims data for rheumatologic diagnoses in total hip replacement recipients. J Clin Epidemiol (2003) 2.72
Does it matter where you live? Treatment variation for breast cancer in Yorkshire. The Yorkshire Breast Cancer Group. Br J Cancer (1995) 2.71
Physician and coding errors in patient records. JAMA (1985) 2.63
Hospital volume can serve as a surrogate for surgeon volume for achieving excellent outcomes in colorectal resection. Ann Surg (1999) 2.37
Agreement of Medicare claims and tumor registry data for assessment of cancer-related treatment. Med Care (2000) 2.36
Persistent differences in sociodemographic determinants of breast conserving treatment despite overall increased adoption. Med Care (2002) 2.33
The role of randomization in clinical studies: myths and beliefs. J Clin Epidemiol (1999) 2.27
The sensitivity of Medicare claims data for case ascertainment of six common cancers. Med Care (1999) 2.21
Issues in surgical randomized controlled trials. World J Surg (1999) 2.11
Generalizing the results of randomized clinical trials. Control Clin Trials (1994) 2.07
Methods to assess intended effects of drug treatment in observational studies are reviewed. J Clin Epidemiol (2004) 2.03
Hospital volume influences outcome in patients undergoing pancreatic resection for cancer. West J Med (1996) 2.02
Surgery for colorectal cancer: Race-related differences in rates and survival among Medicare beneficiaries. Am J Public Health (1996) 1.83
Tips for learners of evidence-based medicine: 2. Measures of precision (confidence intervals). CMAJ (2004) 1.76
Interpreting statistics in medical literature: a vade mecum for surgeons. J Am Coll Surg (2004) 1.70
Use of insurance claims databases to evaluate the outcomes of ophthalmic surgery. Surv Ophthalmol (1998) 1.70
Using risk-adjusted outcomes to assess clinical practice: an overview of issues pertaining to risk adjustment. Ann Thorac Surg (1994) 1.68
Surrogate endpoints in clinical trials: cancer. Stat Med (1989) 1.57
Patient and hospital characteristics related to in-hospital mortality after lung cancer resection. Chest (1992) 1.57
The utility of Medicare claims data for measuring cancer stage. Med Care (1999) 1.54
Social factors, treatment, and survival in early-stage non-small cell lung cancer. Am J Public Health (1998) 1.42
'Real world' pragmatic clinical trials: what are they and what do they tell us? Pediatr Allergy Immunol (2002) 1.35
Race, socioeconomic status, and other prognostic factors for survival from prostate cancer. J Natl Cancer Inst (1985) 1.32
Debate: The slippery slope of surrogate outcomes. Curr Control Trials Cardiovasc Med (2000) 1.30
Insurance status and race represent independent predictors of undergoing laparoscopic surgery for appendicitis: secondary data analysis of 145,546 patients. J Am Coll Surg (2004) 1.27
Relationship between surgeon caseload and sphincter preservation in patients with rectal cancer. Dis Colon Rectum (2005) 1.22
Physician enthusiasm as an explanation for area variation in the utilization of knee replacement surgery. Med Care (1999) 1.21
Race, socioeconomic status, and other prognostic factors for survival from colo-rectal cancer. J Chronic Dis (1987) 1.17
Surgical trends in the treatment of diseases of the lumbar spine in Utah's Medicare population, 1984 to 1990. Med Care (1995) 1.16
Trials in surgery. Br J Surg (2004) 1.09
Racial differences in use of colonoscopy, sigmoidoscopy, and barium enema in Medicare beneficiaries. Dig Dis Sci (2002) 1.02
Infertility treatment: from cookery to science. The epidemiology of randomised controlled trials. Br J Obstet Gynaecol (1993) 1.01
Sham surgery controls: intracerebral grafting of fetal tissue for Parkinson's disease and proposed criteria for use of sham surgery controls. J Med Ethics (2002) 0.99
Bias in the analysis and reporting of randomized controlled trials. Int J Technol Assess Health Care (1996) 0.96
Secondary data bases and their use in outcomes research: a review of the area resource file and the Healthcare Cost and Utilization Project. J Med Syst (1999) 0.95
A "cure" for Parkinson's disease: can neuroprotection be proven with current trial designs? Mov Disord (2004) 0.94
Outcomes research in surgical oncology. Ann Surg Oncol (2000) 0.90
The role of insurance claims databases in drug therapy outcomes research. Pharmacoeconomics (1993) 0.89
Developing measures of surgeons' equipoise to assess the feasibility of randomized controlled trials in vascular surgery. Surgery (2004) 0.88
On the importance of clinical trials. J Urol (1990) 0.87
Does clinical trial subject selection restrict the ability to generalize use and cost of health services to "real life" subjects? Int J Technol Assess Health Care (2003) 0.85
Diffusion of breast conserving surgery in medical communities. Soc Sci Med (2005) 0.84
Sample size matters: a guide for surgeons. World J Surg (2005) 0.82
Ambulatory care databases for managed care organizations. Am J Health Syst Pharm (1997) 0.80
Use of Medicare claims data to measure county-level variations in the incidence of colorectal carcinoma. Cancer (1998) 0.78
Outcomes research in surgery. World J Surg (1999) 0.77
Experimental power: the other side of the coin. Pediatrics (1980) 0.75
Trends in clinical trials in surgical oncology: implications for outcomes research. Clin Ther (2003) 0.75