Risk Factors for Thyroid Dysfunction among Type 2 Diabetic Patients in a Highly Diabetes Mellitus Prevalent Society

Table 1

Baseline characteristics of study sample for all subjects with or without thyroid dysfunction among Type 2 diabetic patients aged >25 years.

	All samples; 𝑛=411	Diabetic subjects with thyroid dysfunction; 𝑛=117	Diabetic subjects without thyroid dysfunction; 𝑛=294	𝑃 value
Age (years)*	59.0±10.8	59.3±9.9	58.9±11.3	0.732
Female gender^†	52.3	68.6	46.6	<0.0001
Duration of diabetes in years*	15.8±8.6	17.3±9.0	15.1±8.6	0.032
Family history of diabetes^†	86.3	84.2	87.1	0.487
Family history of thyroid disease^†	5.4	14.7	1.03	<0.0001
Positive smoking history^†	17.4	14.3	18.2	0.516
Weight in kilogram (Kg)*	80.1±15.4	78.6±15.9	80.6±15.2	0.268
Height (cm)*	159.9±9.2	157.3±8.2	161.2±9.5	<0.0001
BMI (kg/m^2)*	31.5±6.1	32.0±6.2	31.2±5.8	0.209
Systolic blood pressure (mmHg)*	134.8±16.5	134.6±16.9	134.5±16.2	0.926
Diastolic blood pressure (mmHg)*	74.1±9.6	73.1±8.3	74.4±10.0	0.198
Presence of goiter^†	2.8	4.8	2.1	0.248
HbA1c (%)*	8.5±1.6	8.5±1.5	8.5±1.6	0.943
Fasting blood sugar (mmol/L)*	8.7±2.9	8.6±3.0	8.6±2.8	0.904
Triglycerides (mmol/L)*	1.5±0.78	1.7±0.80	1.5±0.82	0.110
Total cholesterol (mmol/L)*	4.2±0.78	4.3±0.96	4.2±0.68	0.429
HDL (mmol/L)*	1.2±0.33	1.3±0.38	1.2±0.31	0.190
LDL (mmol/L)*	2.3±0.69	2.2±0.81	2.3±0.62	0.427
FT3 (pmol/L)*	4.6±1.4	4.5±2.03	4.7±0.84	0.552
FT4 (pmol/L)*	15.9±3.5	16.6±4.34	15.6±2.7	0.048
TSH (mIU/L)*	3.4±2.9	4.7±4.2	2.6±1.2	<0.0001

∗Data presented as mean ± SD, ^†Data presented as (%), and 𝑃 value is calculated between diabetic subjects with and without thyroid dysfunction.