Table 1.

Age-Adjusted Incidence of Thyroid Cancer per 100,000 People for the United States (U.S.) and Vermont (VT), 1994–2007

	Age-adjusted incidence 1994–2007	Annual percent change	Confidence interval	t-Test
VT	8.0	8.3	[5.7–11.0]	p<0.001
U.S.	8.4	5.7	[5.2–6.1]	p<0.001
VT females	11.8	9.9	[5.9–14.0]	p<0.001
U.S. females	12.3	5.9	[5.4–6.3]	p<0.001
VT males	4.1	4.9	[0.2–9.9]	p<0.05
U.S. males	4.4	5.1	[4.4–5.7]	p<0.001

Annual percent changes were significant at p<0.001 (df=12) or p<0.05 (df=12) as indicated.