Associations between thyroid function and gestational diabetes mellitus in Chinese pregnant women: a retrospective cohort study

Table 3 Associations between extremely 2.5^th/97.5^th percentile of thyroid indicators and the risk of GDM

	2.5%-97.5%	< 2.5%			> 97.5%			< 2.5%	> 97.5%
	Reference	OR	95%CI	P	OR	95%CI	P	Reference	OR	95%CI	P
FT4, pmol/L
Model 1	1.00	0.97	(0.69, 1.37)	0.864	0.88	(0.49, 1.59)	0.670	1.00	0.91	(0.47, 1.76)	0.770
Model 2	1.00	1.01	(0.71, 1.44)	0.964	0.86	(0.47, 1.58)	0.623	1.00	0.85	(0.43, 1.69)	0.646
TSH, mIU/L
Model 1	1.00	1.04	(0.63, 1.74)	0.873	0.96	(0.33, 2.76)	0.941	1.00	0.92	(0.29, 2.95)	0.891
Model 2	1.00	0.92	(0.54, 1.56)	0.990	1.01	(0.34, 2.95)	0.990	1.00	1.10	(0.34, 3.59)	0.880

Logistic regression analysis were operated for exploration of associations. Model 1: without adjustment. Model 2: adjusted for age, BMI, parity, gestational week of thyroid indicators measurement, and gestational week of BMI

ISSN: 1472-6823