Thyroid Hormone Changes in the Northern Area of Tianjin during the COVID-19 Pandemic

Table 1

Changes in thyroid function during the pandemic.

Assessment characteristics		Before matching				After matching
		Group A (N = 932)	Group B (N = 224)	Group B vs A		Group A (N = 224)	Group B (N = 224)	Group B vs A
				t or χ^2 value				t or χ^2 value
Gender	Male	258 (27.68%)	85 (37.95%)	9.117^A	<0.01	85 (37.95%)	85 (37.95%)	0^A	1
	Female	674 (72.32%)	139 (62.05%)			139 (62.05%)	139 (62.05%)
Age (year)		57.51 ± 15.89	58.97 ± 16.91	1.222^B	0.222	58.61 ± 16.18	58.97 ± 6.91	0.234^B	0.815
Basic disease^1	Yes	432 (46.35%)	107 (47.76%)	0.145^A	0.703	98 (43.75%)	107 (47.76%)	0.728^A	0.393
	No	500 (53.65%)	117 (52.24%)			126 (56.25%)	117 (52.24%)
History of thyroid	Yes	417 (44.74%)	82 (36.61%)	4.872^A	<0.05	82 (36.61%)	82 (36.61%)	0^A	1
	No	515 (55.26%)	142 (63.39%)			142 (63.39%)	142 (63.39%)
Diagnosis of thyroid function	Normal	404 (43.35%)	68 (30.36%)	12.615^A	<0.01	15 (6.70%)	68 (30.36%)	41.539^A	<0.01
	Abnormal	528 (56.65%)	156 (69.64%)			209 (93.30%)	156 (69.64%)

Note: ¹basic diseases include coronary heart disease, cerebral infarction, cerebral ischemia, respiratory disease, hematologic disease, tumor, and other medical history, Group A: control group; Group B: COVID-19 outbreak group; A: chi-square test; B: t-test.