Table 1.

Relative risk of incident CVD according to DM status and Hp type in the Strong Heart Study adjusted for all CVD risk factors and DM characteristics

Variable	OR	95% CI	p-value
DM and Hp 2-1 (vs DM and Hp 1-1)	1.63	0.74–3.63	0.228
DM and Hp 2-2 (vs DM and Hp 1-1)	4.96	1.85–13.33	0.002
DM and Hp 2-2 (vs DM and Hp 2-1)	3.04	1.30–7.09	0.010
No DM, Hp 2-1 (vs no DM, Hp 1-1)	1.46	0.44–4.87	0.542
No DM, Hp 2-2 (vs no DM, Hp 1-1)	2.73	0.81–9.26	0.107
No DM, Hp 2-2 (vs no DM, Hp 2-1)	1.88	0.73–4.80	0.190

Source: Data adapted from Levy et al (2002).

Abbreviations: CVD, cardiovascular disease; DM, diabetes mellitus; Hp, haptoglobin; OR, odds ratio; CI, confidence interval.