B-lymphocyte-activating factor is a potential biomarker associated with susceptibility to Graves’ disease in Iraqi women

Egyptian Journal of Medical Human Genetics

Table 1 Baseline data describing the characteristics of patients with Graves' disease and controls

Characteristic; mean ± SD or median (IQR)	GD; n = 90	CTRL; n = 93	p value
Age; year	41.3 ± 11.7	42.8 ± 13.7	0.429
Onset age; year	37.4 ± 12.0	NA	NA
Disease duration; year	3.8 ± 4.1	NA	NA
BMI; kg/m²	28.0 ± 4.7	28.8 ± 4.2	0.248
TT3; ng/mL	1.13 (1.00–1.30)	1.05 (0.85–1.36)	0.11
T4; µg/dL	6.90 (5.60–8.70)	7.60 (6.10–9.90)	0.026
TSH; µIU/mL	2.23 (0.50–8.40)	2.20 (1.05–3.48)	0.514
VitD; ng/mL	12.8 (8.9–25. 9)	33.6 (21.9–45.0)	< 0.001

SD standard deviation, IQR interquartile range, GD Graves' disease, CTRL controls, BMI body mass index, TT3 total triiodothyronine, T4 total thyroxine, TSH thyroid stimulating hormone, VitD Vitamin D, NA not applicable, p Two-tailed probability (significant p value is indicated in bold). Significance was determined using one-way ANOVA test to compare means and Mann–Whitney U test to compare medians