The Prevalence of Single and Multiple Thyroid Nodules and Its Association with Metabolic Diseases in Chinese: A Cross-Sectional Study

Table 1

Basic information and prevalence of thyroid nodules of the subjects.

	Subjects with nodules (N, %)	Subjects without nodules (N, %)	χ^2/Z	value
Age			20.05	<0.001
18–40	487 (20.0)	1954 (80.0)
40–49	1179 (31.1)	2613 (68.9)
50–59	914 (41.0)	1313 (59.0)
60–69	318 (53.1)	281 (46.9)
70–89	63 (72.4)	24 (27.6)
Sex			339.56	<0.001
Female	1368 (45.2)	1659 (54.8)
Male	1593 (26.0)	4526 (74.0)
Total	2961 (32.4)	6185 (67.6)