TABLE II.

Cancer Risk

	Percent with Diagnosis		Incidence per 100,000 Patient-Years*
	BMP	Control	BMP	Control	SEER Predicted	RR (95% CI)
Overall	5.9	6.5	2076	2212	—	0.938 (0.913, 0.964)
Male	7.5	8.0	2674	2722	—	0.982 (0.944, 1.022)
Female	4.9	5.4	1699	1823	—	0.932 (0.896, 0.968)
Males by age
<65 yr	1.1	1.2	1269	1355	—	0.94 (0.84-1.04)
65-69 yr	2.1	2.1	2856	2868	2221	1.00 (0.92-1.07)
70-74 yr	1.8	2.0	3085	3368	2687	0.92 (0.85-0.99)†
75-79 yr	1.6	1.6	3665	3807	3042	0.96 (0.88-1.05)
80-84 yr	0.8	0.8	3980	3906	3158	1.02 (0.90-1.15)
≥85 yr	0.3	0.3	4542	3630	3110	1.25 (1.01-1.55)†
Females by age
<65 yr	0.8	1.0	1126	1200	—	0.94 (0.86-1.03)
65-69 yr	1.3	1.5	1720	1933	1366	0.89 (0.83-0.96)†
70-74 yr	1.1	1.3	1829	2102	1606	0.87 (0.80-0.94)†
75-79 yr	1.0	1.0	2155	2191	1823	0.98 (0.90-1.07)
80-84 yr	0.5	0.5	2149	2206	1948	0.97 (0.86-1.10)
≥85 yr	0.1	0.1	2003	2009	1831	1.00 (0.79-1.29)

^*SEER = Surveillance Epidemiology and End Results, and RR = relative risk.

^†The difference was significant (p < 0.05).