Very hot tea drinking increases esophageal squamous cell carcinoma risk in a high-risk area of China: a population-based case–control study

Abstract

Aji Gopakumar,1 Anusha Sreejith,2 Shatha Al Sharbatti,2 Jayadevan Sreedharan2 1Institutional Research Unit, Gulf Medical University, Ajman, United Arab Emirates; 2Department of Community Medicine, College of Medicine, Gulf Medical University, Ajman, United Arab EmiratesThe objective of the study titled “Very hot tea drinking increases esophageal squamous cell carcinoma risk in a high-risk area of China: a population-based case–control study” by Yang et al1 was to find the effect of drinking very hot tea on the risk of esophageal squamous cell carcinoma (ESCC). We appreciate the authors for their contribution to this area with a sound methodology, design, and well conduct of the research. Though the study was appreciable, there need some clarifications in the following areas in the analysis section of the article.View the original paper by Yang and colleagues. 

Keywords

• sample size
• case-control study
• conditional logistic regression
• very hot tea drinking