Table 4. Open in new tab Relative risk...

		With affected relatives	General population
Thyroid nodule	Male	625	16.60	95 389	8.08	2.62 (2.42-2.83)^b
	Female	2487	68.89	456 838	38.44	2.19 (2.11-2.28)^b
	All	3112	42.19	552 227	23.30	2.26 (2.18-2.35)^b
Hashimoto thyroiditis	Male	38	1.01	6723	0.57	2.11 (1.53-2.91)^b
	Female	298	8.25	52 222	4.39	2.11 (1.88-2.38)^b
	All	336	4.56	58 945	2.49	2.11 (1.89-2.36)^b
Graves disease	Male	352	9.35	84 854	7.18	1.56 (1.40-1.74)^b
	Female	1145	31.72	300 869	25.32	1.48 (1.39-1.56)^b
	All	1497	20.30	385 723	16.28	1.49 (1.42-1.57)^b

		With affected relatives	General population
Thyroid nodule	Male	625	16.60	95 389	8.08	2.62 (2.42-2.83)^b
	Female	2487	68.89	456 838	38.44	2.19 (2.11-2.28)^b
	All	3112	42.19	552 227	23.30	2.26 (2.18-2.35)^b
Hashimoto thyroiditis	Male	38	1.01	6723	0.57	2.11 (1.53-2.91)^b
	Female	298	8.25	52 222	4.39	2.11 (1.88-2.38)^b
	All	336	4.56	58 945	2.49	2.11 (1.89-2.36)^b
Graves disease	Male	352	9.35	84 854	7.18	1.56 (1.40-1.74)^b
	Female	1145	31.72	300 869	25.32	1.48 (1.39-1.56)^b
	All	1497	20.30	385 723	16.28	1.49 (1.42-1.57)^b

Table 4.

Relative risk of chronic thyroid diseases in individuals with nonmedullary thyroid cancer–affected first-degree relatives vs the general population of Taiwan

		With affected relatives		General population
	Sex	No.	Prevalence, ‰	No.	Prevalence, ‰	Adjusted RR^a (95% CI)
Thyroid nodule	Male	625	16.60	95 389	8.08	2.62 (2.42-2.83)^b
	Female	2487	68.89	456 838	38.44	2.19 (2.11-2.28)^b
	All	3112	42.19	552 227	23.30	2.26 (2.18-2.35)^b
Hashimoto thyroiditis	Male	38	1.01	6723	0.57	2.11 (1.53-2.91)^b
	Female	298	8.25	52 222	4.39	2.11 (1.88-2.38)^b
	All	336	4.56	58 945	2.49	2.11 (1.89-2.36)^b
Graves disease	Male	352	9.35	84 854	7.18	1.56 (1.40-1.74)^b
	Female	1145	31.72	300 869	25.32	1.48 (1.39-1.56)^b
	All	1497	20.30	385 723	16.28	1.49 (1.42-1.57)^b

		With affected relatives		General population
	Sex	No.	Prevalence, ‰	No.	Prevalence, ‰	Adjusted RR^a (95% CI)
Thyroid nodule	Male	625	16.60	95 389	8.08	2.62 (2.42-2.83)^b
	Female	2487	68.89	456 838	38.44	2.19 (2.11-2.28)^b
	All	3112	42.19	552 227	23.30	2.26 (2.18-2.35)^b
Hashimoto thyroiditis	Male	38	1.01	6723	0.57	2.11 (1.53-2.91)^b
	Female	298	8.25	52 222	4.39	2.11 (1.88-2.38)^b
	All	336	4.56	58 945	2.49	2.11 (1.89-2.36)^b
Graves disease	Male	352	9.35	84 854	7.18	1.56 (1.40-1.74)^b
	Female	1145	31.72	300 869	25.32	1.48 (1.39-1.56)^b
	All	1497	20.30	385 723	16.28	1.49 (1.42-1.57)^b

Abbreviation: RR, relative risk.

^aAdjusted for age, sex, place of residence, quintiles of income level, occupation, and family size.

^bP less than .05.

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