Ten of the 29 patients in the study had at least one elevation in liver enzymes greater than or equal to three times the upperlimit of normal, including four patients who experienced liver enzymes greater than or equal to five times the upperlimit of normal.
Some 600, 000 Americans have the more common form of FH, which is caused by a single bad copy of the cholesterol gene and causes levels of cholesterol that are just above the upperlimit of normal.
According to American College of Endocrinology literature, the range of normal TSH level is broad, from 0.5 to an upperlimit of near 5, depending on a patient's gender, age and other factors.