The Association between Type 2 Diabetes Mellitus and Thyroid Cancer

Table 4

The effects of T2DM duration on thyroid cancer.

	Adjusted^a		value	Adjusted^b		value
	OR	(95% CI)		OR	(95% CI)
T2DM duration (50 cases/67 controls)
<5 years	Reference			Reference
≥5 years	1.13	(0.51–2.47)	0.764	0.67	(0.23–1.98)	0.469
T2DM duration (415 cases/415 controls)
No T2DM	Reference			Reference
<5 years	0.60	(0.35–1.00)	0.051	0.59	(0.34–1.02)	0.060
≥5 years	0.88	(0.50–1.55)	0.665	0.86	(0.47–1.57)	0.615

OR: odds ratio; CI: confidence interval; T2DM: type 2 diabetes mellitus. ^aAdjusted for matching variables (age and sex). ^bAdjusted for matching variables (age and sex), T2DM medication, average monthly household income, education level, smoking status, alcohol intake, regular exercise, obesity, hypertension, dyslipidemia, ischemic heart disease, benign thyroid disease, and other cancers in T2DM duration ≥5 years versus <5 years; adjusted for matching variables (age and sex), average monthly household income, education level, smoking status, alcohol intake, regular exercise, obesity, hypertension, dyslipidemia, ischemic heart disease, benign thyroid disease, and other cancers in T2DM duration ≥5 years and <5 years versus no T2DM.