John M Colford

Author PubWeight™ 99.53‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Water, sanitation, and hygiene interventions to reduce diarrhoea in less developed countries: a systematic review and meta-analysis. Lancet Infect Dis 2005 10.12
2 Interferon-gamma assays in the immunodiagnosis of tuberculosis: a systematic review. Lancet Infect Dis 2004 8.41
3 Diagnostic accuracy of nucleic acid amplification tests for tuberculous meningitis: a systematic review and meta-analysis. Lancet Infect Dis 2003 4.41
4 Mycobacterium tuberculosis infection in health care workers in rural India: comparison of a whole-blood interferon gamma assay with tuberculin skin testing. JAMA 2005 3.90
5 Serial testing of health care workers for tuberculosis using interferon-gamma assay. Am J Respir Crit Care Med 2006 3.70
6 Treating water with chlorine at point-of-use to improve water quality and reduce child diarrhea in developing countries: a systematic review and meta-analysis. Am J Trop Med Hyg 2007 2.88
7 Comparison of a whole blood interferon-gamma assay with tuberculin skin testing for the detection of tuberculosis infection in hospitalized children in rural India. J Infect 2006 2.59
8 Astragalus-based Chinese herbs and platinum-based chemotherapy for advanced non-small-cell lung cancer: meta-analysis of randomized trials. J Clin Oncol 2006 2.42
9 Do U.S. Environmental Protection Agency water quality guidelines for recreational waters prevent gastrointestinal illness? A systematic review and meta-analysis. Environ Health Perspect 2003 2.27
10 Burden of disease from inadequate water, sanitation and hygiene in low- and middle-income settings: a retrospective analysis of data from 145 countries. Trop Med Int Health 2014 2.27
11 In-house nucleic acid amplification tests for the detection of Mycobacterium tuberculosis in sputum specimens: meta-analysis and meta-regression. BMC Microbiol 2005 2.24
12 Nucleic acid amplification tests in the diagnosis of tuberculous pleuritis: a systematic review and meta-analysis. BMC Infect Dis 2004 2.17
13 Systematic reviews of diagnostic test evaluations: What's behind the scenes? ACP J Club 2004 2.02
14 Causal inference methods to study nonrandomized, preexisting development interventions. Proc Natl Acad Sci U S A 2010 1.86
15 Evaluation of a pre-existing, 3-year household water treatment and handwashing intervention in rural Guatemala. Int J Epidemiol 2009 1.84
16 Household environmental conditions are associated with enteropathy and impaired growth in rural Bangladesh. Am J Trop Med Hyg 2013 1.80
17 Assessing the impact of drinking water and sanitation on diarrhoeal disease in low- and middle-income settings: systematic review and meta-regression. Trop Med Int Health 2014 1.64
18 Comparison of cemented and uncemented fixation in total hip replacement: a meta-analysis. Acta Orthop 2007 1.62
19 Solar drinking water disinfection (SODIS) to reduce childhood diarrhoea in rural Bolivia: a cluster-randomized, controlled trial. PLoS Med 2009 1.57
20 Systematic reviews and meta-analyses: an illustrated, step-by-step guide. Natl Med J India 2004 1.47
21 Optimal recall period for caregiver-reported illness in risk factor and intervention studies: a multicountry study. Am J Epidemiol 2013 1.46
22 Nonmalarial acute undifferentiated fever in a rural hospital in central India: diagnostic uncertainty and overtreatment with antimalarial agents. Am J Trop Med Hyg 2008 1.43
23 Cluster-randomised controlled trials of individual and combined water, sanitation, hygiene and nutritional interventions in rural Bangladesh and Kenya: the WASH Benefits study design and rationale. BMJ Open 2013 1.39
24 Clinical trials in India sponsored by the pharmaceutical industry: a proposal for reforms. Natl Med J India 2002 1.38
25 Rapid point-of-care HIV testing in pregnant women: a systematic review and meta-analysis. Trop Med Int Health 2007 1.30
26 A sea change ahead for recreational water quality criteria. J Water Health 2009 1.26
27 Disease transmission models for public health decision making: analysis of epidemic and endemic conditions caused by waterborne pathogens. Environ Health Perspect 2002 1.24
28 Did a severe flood in the Midwest cause an increase in the incidence of gastrointestinal symptoms? Am J Epidemiol 2004 1.19
29 Changing landscape of acute encephalitis syndrome in India: a systematic review. Natl Med J India 2013 1.18
30 Estimating the impact of unsafe water, sanitation and hygiene on the global burden of disease: evolving and alternative methods. Trop Med Int Health 2014 1.11
31 The role of hypothermia in the management of severe brain injury: a meta-analysis. Arch Neurol 2002 1.05
32 Simulation methods to estimate design power: an overview for applied research. BMC Med Res Methodol 2011 1.01
33 H2S as an indicator of water supply vulnerability and health risk in low-resource settings: a prospective cohort study. Am J Trop Med Hyg 2013 1.01
34 Delayed internal fixation of femoral shaft fracture reduces mortality among patients with multisystem trauma. J Bone Joint Surg Am 2009 0.99
35 Dissemination of drinking water contamination data to consumers: a systematic review of impact on consumer behaviors. PLoS One 2011 0.98
36 Water distribution system deficiencies and gastrointestinal illness: a systematic review and meta-analysis. Environ Health Perspect 2014 0.96
37 A dynamic model to assess microbial health risks associated with beneficial uses of biosolids. Risk Anal 2004 0.95
38 A stepped wedge, cluster-randomized trial of a household UV-disinfection and safe storage drinking water intervention in rural Baja California Sur, Mexico. Am J Trop Med Hyg 2013 0.93
39 Bias due to secondary transmission in estimation of attributable risk from intervention trials. Epidemiology 2003 0.93
40 Comment on randomized intervention study of solar disinfection of drinking water in the prevention of dysentery in Kenyan children aged under 5 years. Environ Sci Technol 2012 0.91
41 The role of disease transmission and conferred immunity in outbreaks: analysis of the 1993 Cryptosporidium outbreak in Milwaukee, Wisconsin. Am J Epidemiol 2005 0.90
42 Swimmer illness associated with marine water exposure and water quality indicators: impact of widely used assumptions. Epidemiology 2013 0.90
43 The natural history of antibody responses to Cryptosporidium parasites in men at high risk of HIV infection. J Infect Dis 2006 0.89
44 Brief Report: Negative Controls to Detect Selection Bias and Measurement Bias in Epidemiologic Studies. Epidemiology 2016 0.88
45 Lung cancer survival with herbal medicine and vitamins in a whole-systems approach: ten-year follow-up data analyzed with marginal structural models and propensity score methods. Integr Cancer Ther 2011 0.86
46 Is drinking water a risk factor for endemic cryptosporidiosis? A case-control study in the immunocompetent general population of the San Francisco Bay Area. BMC Public Health 2003 0.85
47 Changes in beliefs identify unblinding in randomized controlled trials: a method to meet CONSORT guidelines. Contemp Clin Trials 2005 0.85
48 Analysis of the spatial distribution of cryptosporidiosis in AIDS patients in San Francisco using density equalizing map projections (DEMP). Int J Hyg Environ Health 2003 0.84
49 Strategies to reduce person-to-person transmission during widespread Escherichia coli O157:H7 outbreak. Emerg Infect Dis 2007 0.84
50 Chinese herbal medicine and interferon in the treatment of chronic hepatitis B: a meta-analysis of randomized, controlled trials. Am J Public Health 2002 0.83
51 Colon cancer survival with herbal medicine and vitamins combined with standard therapy in a whole-systems approach: ten-year follow-up data analyzed with marginal structural models and propensity score methods. Integr Cancer Ther 2011 0.83
52 Statistical estimation of parameters in a disease transmission model: analysis of a Cryptosporidium outbreak. Stat Med 2002 0.82
53 Factors associated with compliance among users of solar water disinfection in rural Bolivia. BMC Public Health 2011 0.81
54 Inferences drawn from a risk assessment compared directly with a randomized trial of a home drinking water intervention. Environ Health Perspect 2006 0.78
55 Meta-analysis of the impact of HIV on the infectiousness of tuberculosis: methodological concerns. Clin Infect Dis 2002 0.78
56 Clinical presentation, etiology, and survival in adult acute encephalitis syndrome in rural Central India. Clin Neurol Neurosurg 2013 0.77
57 Microbial risk assessment framework for exposure to amended sludge projects. Environ Health Perspect 2008 0.77
58 Accuracy and reliability of physical signs in the diagnosis of pleural effusion. Respir Med 2006 0.76
59 Estimation of treatment efficacy with complier average causal effects (CACE) in a randomized stepped wedge trial. Am J Epidemiol 2014 0.75
60 Reporting diarrhoea through a vernacular term in Quechua-speaking settings of rural Bolivia. J Health Popul Nutr 2011 0.75
61 Climate and Health Co-Benefits in Low-Income Countries: A Case Study of Carbon Financed Water Filters in Kenya and a Call for Independent Monitoring. Environ Health Perspect 2016 0.75
62 Early prediction of median survival among a large AIDS surveillance cohort. BMC Public Health 2007 0.75
63 Measuring environmental exposure to enteric pathogens in low-income settings: review and recommendations of an interdisciplinary working group. Environ Sci Technol 2020 0.75
64 Acute Illness Among Surfers After Exposure to Seawater in Dry- and Wet-Weather Conditions. Am J Epidemiol 2017 0.75
65 Performance of analytical methods for overdispersed counts in cluster randomized trials: sample size, degree of clustering and imbalance. Stat Med 2009 0.75
66 Coliphages and gastrointestinal illness in recreational waters: pooled analysis of six coastal beach cohorts. Epidemiology 2017 0.75