Polymorphisms of β1-Adrenoreceptor Gene and Cardiovascular Complications in Patients with Thyrotoxicosis

Table 1

Characteristics of the study groups of patients with Graves’ disease and thyrotoxicosis and in control group.

Characteristics	Graves’ disease, 𝑛=165	Control group, 𝑛=101
Age, years	42.5 ± 9.2	43.4 ± 14.3
Sex, male/female	23/142	20/81
Heart rate, bpt/min	95.9 ± 19.1*	72.6 ± 8.7
BP, mmHg	129.4 ± 15.9/75.8 ± 9.4	127.3 ± 9.7/72.4 ± 7.1
FT3, pmol/L	15.0 ± 9.1*	1.8 ± 1.2
FT4, pmol/L	45.4 ± 23.0*	14.2 ± 4.6
T3, total, nmol/L	5.6 ± 2.66	1.6 ± 0.81
T4, total, nmol/L	218.2 ± 69.44	127.8 ± 37.34
TSH, mMЕ/L	0.014; (0.010; 0.058)*	1.2; (0.6; 3.1)

GD: Graves’ disease group, CG: control group, BP: blood pressure, FT3: free triiodothyronine, FT4: free thyroxin, and TSH: thyroid stimulating hormone.
* 𝑃<0.0001 compared with control group.