Figure 1.

Box and whisker plot representing the relationship between standadized Mini-Mental State Examination (sMMSE) scores and K/T tertiles, represented as low (mean ± SD = 29.07 ± 7.31), middle (mean ± SD = 58.39 ± 10.86), high (mean ± SD = 116.12 ± 39.44). The black horizontal line in each box represents the median. Outliers (circles) are recorded individually.