Table 3.
Associations of Hemoglobin categories with Advanced Heart Failure Symptoms in Logistic Regression Analyses
| Hemoglobin (g/dL) | |||||
|---|---|---|---|---|---|
| >14 | 13–14 | 12–13 | 11–12 | <11 | |
| Unadjusted OR | 1.0 (ref) | 1.35 (1.02–1.79) | 1.96 (1.50–2.55) | 2.70 (2.05–3.54) | 3.43 (2.58–4.56) |
| Adjusted OR1 | 1.0 (ref) | 1.03 (0.76–1.40) | 1.41 (1.04–1.91) | 1.56 (1.12–2.16) | 1.65 (1.15–2.37) |
| Adjusted OR2 | 1.0 (ref) | 0.97 (0.65–1.43) | 1.67 (1.15–2.43) | 1.52 (1.01–2.31) | 1.84 (1.18–2.87) |
1
adjusted for sex, race, current smoking status, coronary artery disease, diabetes, asthma, peripheral vascular disease, hemoglobin, BMI and clinical site
2
excludes persons with history of asthma or current smoking