Table 1.

IR of Fractures Occurring at Osteoporotic Sites (hip/femur, wrist/forearm, and vertebrae/spine)

	Men, Number of Fractures	Men, Follow-Up Time, y	Men, IR of Fracture/1000 Person-Years (95% CI)	Women, Number of Fractures	Women, Follow-Up Time, y	Women, IR of Fracture/1000 Person-Years (95% CI)	IRR (men/women) (95% CI)
All age groups	147	9696.4	15.2 (12.7–17.6)	46	3809.5	12.1 (8.6–15.6)	1.26 (0.90–1.75)
Age ≤35	9	943.7	9.5 (3.3–15.8)	5	792.9	6.3 (0.8–11.8)	1.51 (0.51–4.51)
Age 36–45	38	3555.6	10.7 (7.3–14.1)	10	1444.4	6.9 (2.6–11.2)	1.54 (0.77–3.10)
Age 46–55	56	3577.4	15.7 (11.6–19.8)	21	1179.5	17.8 (10.2–25.4)	0.88 (0.53–1.45)
Age 56–65	33	1340.6	24.6 (16.2–33.0)	7	311.3	22.5 (5.8–39.2)	1.09 (0.48–2.47)
Age ≥66	11	279.1	39.4 (16.1–62.7)	3	81.5	36.8 (0–78.5)	1.07 (0.30–3.84)