Comparison of serum endothelin-1 levels between e-cigarette smokers and non-smokers in Cavite, Philippines

Date of Completion


Document Type


Degree Name

Bachelor of Science in Medical Laboratory Science


Smoking, Endothelins


This study used the combination of comparative and descriptive method. Using purposive sampling technique, 80 participants were chosen in the study. Forty (40) of them came from e-cigarette smokers and 40 participants came from non-smoking population. Data was gathered through questionnaire and interview. Data was analyzed using mean, standard deviation and t-test. The results of the study found out that out of 80 samples, the highest mean value of 0.2349 ng/mL was obtained from the e-cigarette smokers and the least mean value of 0.2212 ng/mL was obtained from the non-smoker. The study concluded that the endothelin-1 level of e-cigarette smoker is higher than the endothelin-1 level of the non-smoker.

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