Association of rs944289, rs965513, and rs1443434 in TITF1/TITF2 with Risks of Papillary Thyroid Carcinoma and with Nodular Goiter in Northern Chinese Han Populations

Table 1

The age and gender distribution between PTCs, NGs, and NCs [n (%)].

Gender/age	PTC	NG	NC	χ^2/F
Age	43.7 ± 9.2	48.5 ± 10.0^∗	43.7 ± 9.1	56.299	<0.001
Gender
Male	210 (24.4)	138 (24.6)	220 (24.6)	0.008	0.996
Female	651 (75.6)	423 (75.4)	676 (75.4)

PTC, papillary thyroid carcinoma; NG, nodular goiter; NC, normal control; NG vs. NC, .