Table 3.
Multiple analysis of relationships between low nitroglycerine-induced vasodilation and variables.
| Variables | Hematocrit < 37.0% |
Hematocrit 37.0–39.9% |
Hematocrit 40.0–42.9% |
Hematocrit 43.0–45.9% |
Hematocrit 46.0–48.9% |
Hematocrit 49.0% ≤ |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | |
| Unadjusted model | 4.1 (2.10–7.87) | < 0.01 | 2.7 (1.44–5.07) | < 0.01 | 2.2 (1.24–4.01) | < 0.01 | 1.9 (1.04–3.38) | 0.04 | 1 (reference) | 4.6 (1.91–11.05) | < 0.01 | |
| Model 1 | 2.7 (1.36–5.42) | < 0.01 | 2.0 (1.04–3.81) | 0.04 | 1.9 (1.03–3.41) | 0.04 | 1.7 (0.92–3.04) | 0.09 | 1 (reference) | 4.8 (1.95–11.57) | < 0.01 | |
| Model 2 | 3.2 (1.57–6.46) | < 0.01 | 2.2 (1.11–4.19) | 0.02 | 2.0 (1.09–3.72) | 0.03 | 1.8 (0.96–3.24) | 0.06 | 1 (reference) | 4.3 (1.73–10.49) | < 0.01 | |
Low tertile of nitroglycerine-induced vasodilation indicates less than 10.4%. Model 1: adjusted for age. Model 2: adjusted for age, body mass index, current smoking, hypertension, dyslipidemia and diabetes mellitus.