• Publications
  • Influence
Association between acute and chronic graft-versus-host disease and bronchiolitis obliterans organizing pneumonia in recipients of hematopoietic stem cell transplants.
Bronchiolitis obliterans organizing pneumonia (BOOP) has been reported following hematopoietic stem cell (HSC) transplantation, but the clinical features and risk factors for this disorder have notExpand
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Freeway speed limits and traffic fatalities in Washington State.
BACKGROUND In 1987 individual states in the USA were allowed to raise speed limits on rural freeways from 55 to 65 mph. Analyses of the impact of the increased speed limits on highway safety haveExpand
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Effectiveness of a community-based multifactorial intervention on falls and fall risk factors in community-living older adults: a randomized, controlled trial.
OBJECTIVE The purpose of this study was to evaluate the effectiveness of a 12-month community-based intervention on falls and risk factors (balance, lower extremity strength, and mobility) inExpand
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The relative merits of risk ratios and odds ratios.
  • P. Cummings
  • Medicine
  • Archives of pediatrics & adolescent medicine
  • 4 May 2009
When a study outcome is rare in all strata used for an analysis, the odds ratio estimate of causal effects will approximate the risk ratio; therefore, odds ratios from most case-control studies canExpand
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Association of alcohol-related laws with deaths due to motor vehicle and motorcycle crashes in the United States, 1980-1997.
The authors compared US motor vehicle and motorcycle mortality rates during periods when each of several alcohol-related laws were in effect with mortality rates during other periods. During theExpand
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Emergency department analgesia for fracture pain.
STUDY OBJECTIVES We analyze records of all emergency department (ED) patients with extremity or clavicular fractures to describe analgesic use, compare analgesia between adults and children, andExpand
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The association between the purchase of a handgun and homicide or suicide.
OBJECTIVES The purpose of this study was to determine whether purchase of a handgun from a licensed dealer is associated with the risk of homicide or suicide and whether any association varies inExpand
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Characteristics of drowning by different age groups
  • L. Quan, P. Cummings
  • Medicine
  • Injury prevention : journal of the International…
  • 1 June 2003
Context: While it is known that the risk of unintentional drowning varies with age, the manner in which drowning episode characteristics vary by age has not been well described. Such informationExpand
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Methods for Estimating Adjusted Risk Ratios
The risk ratio can be a useful statistic for summarizing the results of cross-sectional, cohort, and randomized trial studies. I discuss several methods for estimating adjusted risk ratios and showExpand
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