The Role of Statistics in Healthcare: John Snow’s Study of Cholera

Introduction

Statistics play an important role in health care by providing the means to analyze and interpret data related to population health and healthcare practices. Historically, statistics have significantly impacted the development and improvement of health care (Fowler et al., 2021). One of the best-known examples of this influence is Florence Nightingale’s work. Still, other examples demonstrate how statistical applications have influenced or changed healthcare activities and practices.

John Snow’s Contributions and Application of Statistics

One significant example of a statistical application affecting public health is the work of John Snow during the cholera epidemic in London in 1854 (Walford, 2020). At that time, cholera was considered a mysterious and inexplicable disease. Snow, a medical doctor, carefully studied the data on cases of cholera and carried out a statistical analysis to find out the cause of the spread of the disease.

Snow collected data on the whereabouts of cholera patients and those who died from it, as well as the quality of water in various parts of London (Walford, 2020). Using statistical analysis techniques, he found that most cases occurred in areas where the population used one particular public water well. This allowed him to conclude that contaminated water was the source of the infection (Walford, 2020). John Snow’s work was the first example of epidemiological research and the use of statistics to identify the causes of disease and take measures to prevent its spread (Matranga et al., 2021). His findings subsequently improved hygiene, water supply, and sanitation in many cities, reducing the incidence and mortality from infectious diseases.

Conclusion

Statistics is an integral part of the healthcare field and plays a vital role in data analysis, decision-making, and improving the quality of medical practice. As illustrated by the work of John Snow, the application of statistics has significantly impacted the operations and practice of healthcare. It helps identify trends and risks, optimize processes, and develop effective disease prevention and treatment strategies. Understanding statistical methods and applying them in public health is becoming increasingly important to achieve better public health outcomes.

References

Fowler, J., Jarvis, P., & Chevannes, M. (2021). Practical statistics for nursing and health care. John Wiley & Sons.

Matranga, D., Bono, F., & Maniscalco, L. (2021). Statistical advances in epidemiology and public health. International Journal of Environmental Research and Public Health, 18(7), 3549. Web.

Walford, N. S. (2020). Demographic and social context of deaths during the 1854 cholera outbreak in Soho, London: A reappraisal of Dr John Snow’s investigation. Health & place, 65. Web.

Cite this paper

Select style

Reference

StudyCorgi. (2026, January 4). The Role of Statistics in Healthcare: John Snow’s Study of Cholera. https://studycorgi.com/the-role-of-statistics-in-healthcare-john-snows-study-of-cholera/

Work Cited

"The Role of Statistics in Healthcare: John Snow’s Study of Cholera." StudyCorgi, 4 Jan. 2026, studycorgi.com/the-role-of-statistics-in-healthcare-john-snows-study-of-cholera/.

* Hyperlink the URL after pasting it to your document

References

StudyCorgi. (2026) 'The Role of Statistics in Healthcare: John Snow’s Study of Cholera'. 4 January.

1. StudyCorgi. "The Role of Statistics in Healthcare: John Snow’s Study of Cholera." January 4, 2026. https://studycorgi.com/the-role-of-statistics-in-healthcare-john-snows-study-of-cholera/.


Bibliography


StudyCorgi. "The Role of Statistics in Healthcare: John Snow’s Study of Cholera." January 4, 2026. https://studycorgi.com/the-role-of-statistics-in-healthcare-john-snows-study-of-cholera/.

References

StudyCorgi. 2026. "The Role of Statistics in Healthcare: John Snow’s Study of Cholera." January 4, 2026. https://studycorgi.com/the-role-of-statistics-in-healthcare-john-snows-study-of-cholera/.

This paper, “The Role of Statistics in Healthcare: John Snow’s Study of Cholera”, was written and voluntary submitted to our free essay database by a straight-A student. Please ensure you properly reference the paper if you're using it to write your assignment.

Before publication, the StudyCorgi editorial team proofread and checked the paper to make sure it meets the highest standards in terms of grammar, punctuation, style, fact accuracy, copyright issues, and inclusive language. Last updated: .

If you are the author of this paper and no longer wish to have it published on StudyCorgi, request the removal. Please use the “Donate your paper” form to submit an essay.