Table 4.

Change in concentrations of the tested parameters in CG and GDFG after logarithmic transformation.

Statistical Measure	CG (n = 31)				GFDG (n = 31)
	First Visit	3 Months	6 Months	12 Months	First Visit	3 Months	6 Months	12 Months
	anti-TPO (IU/mL)
Mean	4.73	4.66	4.87	4.77	4.91	4.77	4.81	4.75
SE	0.15	0.18	0.16	0.15	0.17	0.18	0.19	0.19
p	-	0.665	0.981	0.704	-	0.010	0.581	0.302
	anti-TG (IU/mL)
Mean	4.80	4.67	4.65	4.73	4.71	4.62	4.60	4.48
SE	0.23	0.23	0.25	0.25	0.21	0.21	0.22	0.25
p	-	0.084	0.016	0.572	-	0.023	0.019	0.049
	TSH (µIU/mL)
Mean	0.68	0.47	0.78	0.50	0.94	0.40	0.55	0.24
SE	0.12	0.18	0.18	0.21	0.12	0.18	0.14	0.19
p	-	0.285	0.737	0.222	-	0.001	0.048	0.000
	fT3 (pg/mL)
Mean	1.07	1.04	1.02	1.03	1.04	1.04	0.99	1.01
SE	0.03	0.02	0.03	0.02	0.03	0.02	0.02	0.03
p	-	0.067	0.063	0.054	-	0.784	0.065	0.209
	fT4 (ng/dL)
Mean	0.28	0.24	0.24	0.28	0.22	0.24	0.31	0.34
SE	0.03	0.03	0.04	0.03	0.03	0.03	0.02	0.03
p	-	0.509	0.442	0.665	-	0.290	0.007	0.000

CG—control group, GFDG—gluten free diet group; SE—standard error; first visit—baseline appointment, 3 months—second visit, 6 months—third visit, 12 months—last visit; in bold font—statistically significant difference.