Table 2.

TSH (mIU/L) pre- and post-Ramadan for the 3-randomization groups with at least 1 complete data point

TSH change pre- to post-Ramadan, mIU/L
instruction groups	N	25th percentile		50th percentile		75th percentile
		pre	post	pre	post	pre	post
(1) 30 min before Iftar	50		0.67		1.29		1.95*
(2) 3 h post-Iftar	46	0.46	1.66**	1.62	2.10	3.61	2.45
(3) 30 min before Suhur	52		1.30**		2.07		2.78

Equated pre-Ramadan values at 25th, 50th, and 75th percentiles and magnitude of change calculated using the mixed-effects regression model from online suppl. Table 1. TSH reference range: 0.27–4.20 mIU/L.

^*p values examining pre-to-post-Ramadan change in TSH <0.05.

^**p values examining pre-to-post-Ramadan change in TSH <0.001.