Table 2.

Overall crude incidence rates of breast cancer, stratified by age and sex in CPRD GOLD/ Aurum.

Sex	Database	Age Group (years)	n cases	n population	person years	Incidence (per 100,000 person years)
Female	CPRD GOLD	18–29	278	2,034,573	7,907,080	3.52 (3.11–3.95)
		30–39	2860	1,819,975	7,470,652	38.3 (36.9–39.7)
		40–49	11,298	1,562,588	7,860,585	143.7 (141.1–146.4)
		50–59	21,496	1,403,726	7,144,276	300.9 (296.9–304.9)
		60–69	22,273	1,131,038	5,845,509	381.0 (376.0–386.1)
		70–79	15,090	876,415	4,388,250	343.9 (338.4–349.4)
		80–89	9665	604,872	2,634,476	366.9 (359.6–374.3)
		90 +	2440	223,748	682,359	357.6 (343.5–372.1)
	CPRD Aurum	18–29	485	4,901,661	15,388,591	3.15 (2.88–3.45)
		30–39	5888	4,085,576	15,968,841	36.9 (35.9–37.8)
		40–49	22,064	3,084,523	15,854,144	139.2 (137.3–141.0)
		50–59	38,135	2,609,920	13,699,589	278.4 (275.6–281.2)
		60–69	38,685	2,027,941	10,923,859	354.1 (350.6–357.7)
		70–79	28,048	1,603,425	8,358,509	335.6 (331.7–339.5)
		80–89	18,696	1,131,288	5,152,779	362.8 (357.7–368.1)
		90 +	4806	452,649	1,557,892	308.5 (299.8–317.3)
Male	CPRD GOLD	18–29	5	1,836,496	8,110,918	0.06 (0.02–0.14)
		30–39	9	1,861,598	7,627,706	0.12 (0.05–0.22)
		40–49	29	1,680,277	8,204,536	0.35 (0.24–0.51)
		50–59	67	1,469,617	7,443,890	0.90 (0.70–1.14)
		60–69	129	1,143,727	5,879,519	2.19 (1.83–2.61)
		70–79	163	787,598	3,893,012	4.19 (3.57–4.88)
		80–89	87	408,602	1,723,760	5.05 (4.04–6.23)
		90 +	18	94,907	267,380	6.73 (3.99–10.6)
	CPRD Aurum	18–29	7	4,336,623	16,551,872	0.04 (0.02–0.09)
		30–39	19	4,204,747	16,690,740	0.11 (0.07–0.18)
		40–49	70	3,420,966	16,956,055	0.41 (0.32–0.52)
		50–59	141	2,797,488	14,679,807	0.96 (0.81–1.13)
		60–69	268	2,098,707	11,213,511	2.39 (2.11–2.69)
		70–79	302	1,471,532	7,588,042	3.98 (3.54–4.46)
		80–89	181	789,877	3,508,496	5.16 (4.43–5.97)
		90 +	31	202,246	666,457	4.65 (3.16–6.60)