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

Table 3

Incidence of pediatric thyroid cancer in the USA by sex, SEER dataset, in 1973–2007.

Year of diagnosis	Males			Females
	RR	95% CI		RR	95% CI
		LL	UL		LL	UL
1973	1.48	0.70	2.79	0.76	0.47	1.18
1974	0.78	0.28	1.75	0.78	0.50	1.17
1975	0.84	0.33	1.78	0.67	0.42	1.01
1976	0.99	0.42	2.01	1.26	0.90	1.71
1977	1.00	0.43	2.03	0.70	0.45	1.06
1978	0.74	0.27	1.66	1.04	0.72	1.46
1979	0.93	0.37	1.95	0.67	0.43	1.02
1980	1.40	0.69	2.56	0.66	0.41	1.01
1981	0.89	0.35	1.88	0.82	0.53	1.21
1982	1.06	0.45	2.12	0.91	0.60	1.33
1983	1.76	0.93	3.07	1.00	0.67	1.44
1984	0.69	0.22	1.64	0.88	0.57	1.29
1985	1.43	0.68	2.66	1.10	0.75	1.57
1986	0.28	0.03	1.01	1.04	0.70	1.49
1987	0.69	0.22	1.64	1.14	0.78	1.61
1988	0.87	0.32	1.90	0.81	0.51	1.23
1989	0.73	0.23	1.70	1.03	0.69	1.49
1990	0.73	0.23	1.69	1.04	0.69	1.49
1991	0.57	0.15	1.46	0.72	0.44	1.11
1992	1.69	0.86	2.99	1.17	0.80	1.66
1993	0.98	0.39	2.02	0.90	0.58	1.32
1994	0.40	0.08	1.18	0.99	0.66	1.43
1995	0.54	0.15	1.38	1.37	0.98	1.87
1996	0.66	0.21	1.55	0.98	0.66	1.40
1997	0.51	0.14	1.33	0.86	0.56	1.26
1998	1.51	0.77	2.68	1.12	0.78	1.57
1999	1.24	0.59	2.32	1.24	0.88	1.70
2000	0.99	0.42	1.97	1.32	0.95	1.80
2001	1.11	0.50	2.13	1.19	0.84	1.64
2002	1.36	0.67	2.47	1.22	0.87	1.67
2003	1.35	0.66	2.44	1.25	0.89	1.71
2004	0.73	0.27	1.61	1.15	0.81	1.59
2005	1.10	0.50	2.11	0.87	0.58	1.25
2006	1.57	0.83	2.74	0.95	0.65	1.35
2007	1.19	0.57	2.23	1.38	1.01	1.85

LL: lower limit of confidence limit; UL: upper limit of confidence limit; CI: confidence interval; RR: rate ratio.