Table 1.
Detailed patient characteristics. Data are presented as mean ± standard deviation unless otherwise indicated. Patients were assigned to three gender-specific groups according to recent hemoglobin tests and the WHO anemia definition
| Men | Women | |||||
|---|---|---|---|---|---|---|
| Healthy (N = 116) | Mild/moderate anemia (N = 162) | Severe anemia (N = 23) | Healthy (N = 85) | Mild/moderate anemia (N = 122) | Severe anemia (N = 14) | |
| Age (years) | 60.4 ± 15.9 | 64.5 ± 11.6 | 60.3 ± 14.2 | 65.5 ± 12.8 | 62.0 ± 15.6 | 64.6 ± 17.3 |
| Serum hemoglobin (g/dl) | 14.4 ± 1.0 | 10.8 ± 1.5 | 7.2 ± 0.6 | 13.3 ± 1.0 | 10.1 ± 1.1 | 7.4 ± 0.4 |
| Number of portal venous contrast scans | 109 | 157 | 22 | 77 | 109 | 11 |
| Number of angiographic contrast scans | 7 | 5 | 1 | 8 | 13 | 3 |
| Attenuation (contrast enhanced) in HU | 151.7 ± 47.4 | 147.5 ± 29.3 | 142.2 ± 28.9 | 177.8 ± 51.2 | 182.6 ± 43.8 | 196.7 ± 68.3 |
| Attenuation (virtual non-contrast) in HU | 43.2 ± 4.5 | 37.1 ± 4.2 | 31.2 ± 4.8 | 39.9 ± 3.8 | 34.9 ± 4.9 | 29.2 ± 2.5 |