Copy Number Variation of Immune-Related Genes and Their Association with Iodine in Adults with Autoimmune Thyroid Diseases

Table 2

Demographic characteristics of AITD patients and controls.

Characteristics	Case	Control
N	158	181
Sex (N)
Male	35	35
Female	123	146
Age
Mean ± SD	49 ± 12	47 ± 11
Range	18–76	20–77
BMI
Mean ± SD	25.14 ± 3.45	24.57 ± 2.99
UIC (μg/L)
Median	225.40	176.05
Interquartile range	141.20–396.00	103.18–328.15

BMI: body mass index; UIC: urinary iodine concentration. Compared with the control group, median urinary iodine value was significantly higher in the case group (, ).