Table 3—

RR of amputation in veterans during fiscal year 1998

CharacteristicUnadjusted RR (95% CI)Adjusted RR* (95% CI)
White1.01.0
African American1.45 (1.39–1.52)1.41 (1.34–1.48)
Hispanic1.28 (1.20–1.37)1.28 (1.20–1.38)
Native American1.64 (1.31–2.05)1.74 (1.39–2.18)
Asian0.30 (0.18–0.48)0.31 (0.19–0.50)
Diabetic nephropathy4.30 (3.95–4.67)3.41 (3.13–3.71)
Diabetic ESRD4.97 (4.71–5.25)3.77 (3.57–3.99)
Subgroup analysis by the presence of  diabetic nephropathy
 White1.01.0
 African American1.34 (1.28–1.42)1.44 (1.37–1.52)
 Hispanic American1.26 (1.17–1.36)1.25 (1.15–1.35)
 Native American1.59 (1.23–2.04)2.79 (1.39–2.30)
 Asian American0.23 (0.12–0.42)0.26 (0.14–0.48)
Subgroup analysis by the presence of ESRD
 White1.01.0
 African American1.25 (1.15–1.37)1.41 (1.34–1.48)
 Hispanic1.15 (1.00–1.32)1.27 (1.18–1.37)
 Native American1.99 (1.36–2.91)2.75 (1.37–2.22)
 Asian0.30 (0.13–0.73)0.27 (0.16–0.47)
  • *

    * Models adjusted for age, sex, cardiovascular disease, hypertension, COPD, service connection, region, and stroke.