Table 4.

Age-adjusted IRRs of forearm, foot, and ankle fractures among patients with type 1 and type 2 diabetes compared with patients without diabetes

	Fracture site, IRR (95% CI)
	Forearm		Foot		Ankle
Year	Type 1 diabetes	Type 2 diabetes	Type 1 diabetes	Type 2 diabetes	Type 1 diabetes	Type 2 diabetes
1997	1.16 (0.87–1.54)	0.76 (0.70–0.83)	1.94 (1.42–2.66)	1.29 (1.14–1.46)	1.76 (1.16–2.68)	1.50 (1.32–1.71)
1998	1.19 (0.87–1.62)	0.81 (0.75–0.88)	1.66 (1.19–2.33)	1.11 (0.98–1.27)	1.28 (0.78–2.09)	1.10 (0.96–1.26)
1999	1.32 (1.01–1.72)	0.81 (0.75–0.88)	2.15 (1.63–2.85)	1.18 (1.05–1.34)	1.32 (0.84–2.07)	1.26 (1.11–1.44)
2000	1.12 (0.83–1.50)	0.82 (0.76–0.89)	1.41 (1.00–2.00)	1.15 (1.02–1.30)	1.50 (0.99–2.28)	1.24 (1.09–1.41)
2001	1.33 (1.02–1.74)	0.75 (0.69–0.81)	1.85 (1.37–2.48)	1.05 (0.93–1.19)	1.41 (0.89–2.23)	1.27 (1.13–1.44)
2002	1.32 (1.02–1.71)	0.80 (0.74–0.86)	1.68 (1.24–2.27)	1.03 (0.91–1.16)	1.48 (0.99–2.21)	1.24 (1.10–1.40)
2003	1.09 (0.82–1.46)	0.78 (0.72–0.84)	1.55 (1.13–2.13)	0.98 (0.87–1.11)	1.68 (1.08–2.61)	1.35 (1.20–1.51)
2004	0.87 (0.63–1.20)	0.74 (0.69–0.80)	1.87 (1.41–2.48)	1.13 (1.01–1.26)	1.56 (1.05–2.31)	1.23 (1.10–1.37)
2005	1.15 (0.89–1.50)	0.77 (0.72–0.83)	1.30 (0.93–1.82)	1.04 (0.93–1.16)	1.29 (0.86–1.94)	1.33 (1.20–1.47)
2006	1.43 (1.13–1.80)	0.71 (0.66–0.76)	1.46 (1.08–1.98)	1.04 (0.94–1.16)	1.71 (1.21–2.42)	1.13 (1.02–1.26)
2007	1.02 (0.77–1.36)	0.76 (0.71–0.81)	1.64 (1.24–2.18)	0.92 (0.82–1.02)	1.30 (0.85–1.97)	1.05 (0.93–1.17)
2008	1.54 (1.23–1.93)	0.70 (0.65–0.75)	1.42 (1.06–1.90)	0.96 (0.87–1.07)	1.11 (0.68–1.82)	1.09 (0.98–1.21)
2009	1.08 (0.83–1.41)	0.71 (0.66–0.76)	1.84 (1.43–2.36)	0.98 (0.89–1.08)	1.11 (0.73–1.69)	1.05 (0.95–1.16)
2010	1.22 (0.98–1.53)	0.65 (0.61–0.69)	1.47 (1.11–1.94)	0.84 (0.76–0.92)	1.55 (1.13–2.14)	0.99 (0.90–1.08)
2011	1.44 (1.16–1.77)	0.62 (0.58–0.66)	1.53 (1.18–1.98)	0.86 (0.79–0.95)	1.14 (0.78–1.67)	0.97 (0.88–1.06)
2012	1.32 (1.05–1.67)	0.66 (0.62–0.70)	1.61 (1.24–2.08)	0.83 (0.76–0.91)	1.06 (0.70–1.62)	1.06 (0.97–1.17)
2013	1.31 (1.05–1.64)	0.64 (0.60–0.68)	1.39 (1.07–1.81)	0.81 (0.75–0.89)	1.54 (1.10–2.17)	0.89 (0.81–0.98)
2014	0.83 (0.63–1.10)	0.65 (0.62–0.70)	1.62 (1.28–2.05)	0.83 (0.76–0.90)	1.60 (1.14–2.23)	0.94 (0.86–1.04)
2015	1.12 (0.88–1.42)	0.62 (0.59–0.66)	1.45 (1.12–1.87)	0.86 (0.79–0.93)	1.29 (0.88–1.89)	0.92 (0.83–1.01)
2016	1.49 (1.21–1.82)	0.65 (0.62–0.69)	1.53 (1.22–1.93)	0.84 (0.77–0.91)	1.47 (1.04–2.07)	0.89 (0.81–0.98)
2017	1.25 (1.01–1.56)	0.59 (0.55–0.63)	1.57 (1.25–1.97)	0.82 (0.76–0.89)	1.65 (1.20–2.27)	0.85 (0.77–0.94)