Table 3.

Fracture prevalence at baseline and incidence over 3 years, by fracture site, in osteoarthritis and non-osteoarthritis participants

	Non-OA participants (n=30 978)		OA participants (n=20 409)		Unadjusted HR
	Fracture prevalence (95% CI)	Overall fracture incidence rate at 3 years (95% CI)	Fracture prevalence (95% CI)	Overall fracture incidence rate at 3 years (95% CI)	(95% CI)
Any fracture site	20.4 (19.9 to 20.8)	8.7 (8.3 to 9.0)	27.4 (26.8 to 28.0)	12.1 (11.6 to 12.6)	1.40 (1.32 to 1.48)
Hip	1.3 (1.2 to 1.5)	0.66 (0.57 to 0.77)	2.2 (2.0 to 2.4)	0.93 (0.80 to 1.1)	1.46 (1.17 to 1.81)
Clinical spine	1.4 (1.3 to 1.5)	0.84 (0.73 to 0.96)	3.4 (3.1 to 3.6)	1.5 (1.3 to 1.7)	1.80 (1.50 to 2.17)
Wrist/forearm	7.4 (7.1 to 7.7)	2.0 (1.8 to 2.2)	10.2 (9.8 to 10.6)	2.8 (2.6 to 3.1)	1.38 (1.22 to 1.57)
Upper arm	2.5 (2.3 to 2.7)	0.76 (0.66 to 0.88)	3.5 (3.2 to 3.7)	1.1 (0.96 to 1.3)	1.38 (1.13 to 1.69)
Lower leg/ankle	2.2 (2.0 to 2.3)	0.54 (0.46 to 0.63)	2.9 (2.7 to 3.2)	0.74 (0.62 to 0.89)	1.34 (1.05 to 1.70)

CI, confidence interval; HR, hazard ratio; OA, osteoarthritis.