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Table 4 CHD hazard ratios estimated from Cox regression for a decrement of 0.10 in ABI modelled as a linear, continuous term: uncorrected and corrected for ABI reliability

From: The association of the ankle-brachial index with incident coronary heart disease: the Atherosclerosis Risk In Communities (ARIC) study, 1987–2001

  Whites African Americans
  Men Women Men Women
Covariates Uncorrected HR (95% CI) Corrected HR (95% CI) Uncorrected HR (95% CI) Corrected HR (95% CI) Uncorrected HR (95% CI) Corrected HR (95% CI) Uncorrected HR (95% CI) Corrected HR (95% CI)
None 1.24 (1.16–1.33) 1.36 (1.23–1.50) 1.18 (1.06–1.31) 1.27 (1.09–1.47) 1.35 (1.20–1.52) 1.54 (1.30–1.82) 1.34 (1.18–1.52) 1.52 (1.26–1.82)
Age, field center 1.25 (1.17–1.34) 1.39 (1.28–1.54) 1.20 (1.08–1.33) 1.30 (1.12–1.51) 1.34 (1.19–1.50) 1.52 (1.29–1.79) 1.32 (1.17–1.50) 1.49 (1.25–1.78)
Age, field center, LDL-C, HDL-C, diabetes, smoking status 1.17 (1.09–1.26) 1.27 (1.14–1.40) 1.14 (1.03–1.25) 1.20 (1.04–1.39) 1.27 (1.13–1.43) 1.41 (1.19–1.67) 1.20 (1.07–1.35) 1.31 (1.11–1.54)
Age, field center, LDL-C, HDL-C, diabetes, smoking status, hypertension 1.15 (1.08–1.24) 1.24 (1.12–1.37) 1.11 (1.01–1.23) 1.16 (1.01–1.35) 1.25 (1.11–1.41) 1.39 (1.17–1.65) 1.20 (1.07–1.34) 1.30 (1.10–1.53)