Levothyroxine Timing during Ramadan: A Randomized Clinical Trial

Figure 3

Wilcoxon pairwise test for FT4 and TSH values before (B) and after (A) Ramadan, stratified by the levothyroxine timing group (group 1: took levothyroxine 30 minutes before iftar; group 2: took levothyroxine 4 hours after iftar; group 3: no specific advice).