The one-way ANOVA test performed for the comparison of the medical condition and vital signs of the patients in the topical lavender oil, placebo, and control groups revealed no significant difference among these groups in terms of age, blood glucose, duration of diabetes, duration of insulin use, systolic blood pressure before insulin injection, diastolic blood pressure, pulse, respiration, SPO2, VCS score, VAS score, systolic blood pressure after insulin injection and the mean pulse rate after the application (p > 0.05) (Table 2). This evidence concerns the gene INS and diabetes mellitus.