Fig. 1

Levels of ALT (a), AST (b), GGT (c) and ALP (d) in normotensive and hypertensive group by gender. The scale in the Y-axis is not similar for all liver enzymes. The box represents the central data of distribution where upper and lower limits of the box indicate 25th and 75th percentiles (first quartile or Q1 and third quartile or Q3, respectively) and the median value is presented as a line inside the box. In the box plot outlier values are more than 1.5 times the interquartile range (IQR) and the Q1 and Q3, respectively”