The average age of the patients was 74 years, and 53% were women. The mean T3/T4 ratio was 2.63. Those in the lowest tertile for FT3/FT4 ratio were older and were more likely to be women and to ...

In addition, the ratio of T3 to T4 in the treatment varied significantly by study, and many of the studies lasted fewer than 6 months. T4 monotherapy is the treatment recommended by AACE and the ...

"It is important to note that the more typically measured biomarkers for thyroid function (T4 and TSH) are poorly linked to free T3 levels," Lawton and colleagues wrote. The ratio of TSH ...