Table 3 Age- and field-center-adjusted CHD incidence hazard ratios for various ABI categories from Cox models for white and African American participants: the ARIC study, 1987–2001*
Whites | African Americans | |||
|---|---|---|---|---|
Covariate(s) | HR*Men (95% CI*) | HR Women (95% CI) | HR Men (95% CI) | HR Women (95% CI) |
PAD | ||||
ABI < 0.90 | 2.81 (1.77–4.45) | 2.05 (1.20–3.53) | 4.86 (2.78–8.47) | 2.34 (1.26–4.35) |
ABI ≥ 0.90 | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
ABI < 0.90 men, < 0.85 women | 2.81 (1.77–4.45) | 3.31 (1.70–6.45) | 4.86 (2.79–8.47) | 2.76 (1.35–5.66) |
ABI ≥ 0.90 men, ≥ 0.85 women | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
ABI | ||||
≤ 0.80 | 2.39 (1.24–4.60) | 7.19 (3.59–14.41) | 2.80 (1.16–6.73) | 3.60 (1.62–8.00) |
(0.80–0.90] | 1.94 (0.97–3.84) | 0.76 (0.31–1.89) | 4.87 (2.25–10.56) | 0.87 (0.31–2.41) |
(0.90–1.00] | 1.15 (0.75–1.77) | 1.18 (0.79–1.77) | 0.91 (0.42–1.96) | 1.10 (0.65–1.86) |
(1.00–1.10] | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
(1.10–1.20] | 0.93 (0.72–1.20) | 0.81 (0.58–1.13) | 0.71 (0.45–1.12) | 0.54 (0.34–0.85) |
(1.20–1.30] | 0.54 (0.41–0.73) | 0.60 (0.39–0.92) | 0.74 (0.46–1.18) | 0.56 (0.33–0.95) |
> 1.30 | 0.57 (0.40–0.80) | 0.90 (0.55–1.49) | 0.53 (0.27–1.04) | 0.42 (0.18–0.98) |