Survival curves of the TRELONG population according to rs12778366 genotype. A. Survival plot of the whole TRELONG population, considering the TT group as reference vs. the TC+CC carriers. The reported P-value was corrected for possible confounding factors affecting longevity (age, gender, education level, cholesterol level, cardiovascular disease, vascular cerebropaties, diabetes and cancer). B, C. Survival plots of the TRELONG population stratified according to rs12778366 genotype and gender. The associated P-value was corrected as above.