Pediatric Thyroid Carcinoma Incidence and Temporal Trends in the USA (1973–2007): Race or Shifting Diagnostic Paradigm?

Table 4

Age-specific incidence of pediatric thyroid cancer in the USA, SEER dataset, in 1973–2007.

Year of diagnosis	0–4 years			5–9 years			10–14 years			15–19 years
	Population	TC	Rate	Population	TC	Rate	Population	TC	Rate	Population	TC	Rate
1973	1,072,245	0	0	1,432,428	2	0.1	1,646,082	5	0.3	1,584,706	24	1.5
1974	1,176,199	0	0	1,579,384	0	0	1,851,090	7	0.4	1,827,895	24	1.3
1975	1,229,920	0	0	1,688,020	0	0	1,971,683	10	0.5	1,991,191	20	1.0
1976	1,188,688	1	0.1	1,686,887	3	0.2	1,913,149	12	0.6	2,006,411	35	1.7
1977	1,171,997	0	0	1,665,895	3	0.2	1,853,142	5	0.3	1,999,246	24	1.2
1978	1,187,830	0	0	1,637,991	4	0.2	1,794,352	4	0.2	1,988,727	33	1.7
1979	1,214,570	0	0	1,599,133	2	0.1	1,746,549	4	0.2	1,974,474	24	1.2
1980	1,243,643	0	0	1,564,337	2	0.1	1,723,562	4	0.2	1,946,521	27	1.4
1981	1,284,334	0	0	1,519,291	3	0.2	1,723,711	3	0.2	1,887,046	27	1.4
1982	1,308,683	0	0	1,513,782	2	0.1	1,697,129	9	0.5	1,823,596	25	1.4
1983	1,335,696	0	0	1,532,229	0	0	1,664,109	13	0.8	1,764,760	30	1.7
1984	1,352,298	0	0	1,566,143	0	0	1,618,140	5	0.3	1,721,192	26	1.5
1985	1,352,569	0	0	1,605,425	2	0.1	1,576,537	10	0.6	1,705,295	30	1.8
1986	1,357,223	1	0.1	1,644,105	1	0.1	1,524,050	7	0.5	1,710,362	23	1.3
1987	1,365,655	0	0	1,672,003	1	0.1	1,520,948	4	0.3	1,696,923	33	1.9
1988	1,376,921	0	0	1,697,507	1	0.1	1,541,516	9	0.6	1,676,400	19	1.1
1989	1,401,082	0	0	1,709,902	0	0	1,579,061	9	0.6	1,641,653	25	1.5
1990	1,430,960	0	0	1,726,047	0	0	1,631,541	3	0.2	1,612,817	31	1.9
1991	1,463,423	0	0	1,742,886	2	0.1	1,686,781	6	0.4	1,579,712	16	1
1992	1,491,441	0	0	1,752,403	1	0.1	1,731,748	15	0.9	1,589,984	29	1.8
1993	1,516,540	1	0.1	1,774,688	4	0.2	1,779,296	7	0.4	1,619,730	21	1.3
1994	1,519,630	0	0	1,808,126	2	0.1	1,800,486	8	0.4	1,663,588	22	1.3
1995	1,505,360	0	0	1,848,547	0	0	1,816,398	7	0.4	1,716,488	38	2.2
1996	1,491,423	0	0	1,888,341	0	0	1,834,425	4	0.2	1,769,159	31	1.8
1997	1,477,356	0	0	1,925,871	0	0	1,847,037	10	0.5	1,811,580	21	1.2
1998	1,473,425	0	0	1,951,753	3	0.2	1,867,304	7	0.4	1,847,826	38	2.1
1999	1,472,530	0	0	1,959,332	5	0.3	1,902,079	7	0.4	1,860,877	38	2
2000	1,471,882	0	0	1,945,304	3	0.2	1,937,644	10	0.5	1,869,474	38	2
2001	1,472,853	0	0	1,919,747	2	0.1	1,967,159	14	0.7	1,873,398	32	1.7
2002	1,489,013	0	0	1,890,526	0	0	1,984,118	12	0.6	1,873,406	39	2.1
2003	1,503,563	0	0	1,864,486	0	0	1,989,481	12	0.6	1,879,583	40	2.1
2004	1,524,279	0	0	1,850,825	2	0.1	1,982,348	11	0.6	1,898,838	31	1.6
2005	1,546,678	0	0	1,843,731	1	0.1	1,955,089	9	0.5	1,929,234	28	1.5
2006	1,556,428	0	0	1,865,235	2	0.1	1,933,272	10	0.5	1,959,038	33	1.7
2007	1,575,404	1	0.1	1,885,217	1	0.1	1,911,933	9	0.5	1,979,660	46	2.3

TC: tumor count. The population represents the pediatric population of 0–19 years in the SEER registries.