Table 2.
Hematologic parameters of the subjects according to hematocrit levels.
| Variables | Total (n = 807) |
Hematocrit < 37.0% (n = 111) |
Hematocrit 37.0–39.9% (n = 138) |
Hematocrit 40.0–42.9% (n = 221) |
Hematocrit 43.0–45.9% (n = 214) |
Hematocrit 46.0–48.9% (n = 91) |
Hematocrit 49.0% ≤ (n = 32) |
P value |
|---|---|---|---|---|---|---|---|---|
| Hemoglobin, g/dL | 14.3 ± 1.6 | 11.7 ± 0.8 | 13.2 ± 0.5 | 14.2 ± 0.5 | 15.3 ± 0.5 | 16.3 ± 0.5 | 17.2 ± 0.7 | < 0.01 |
| Hematocrit, % | 41.8 ± 4.3 | 34.3 ± 2.3 | 38.7 ± 0.9 | 41.4 ± 0.8 | 44.4 ± 0.8 | 47.2 ± 0.8 | 50.4 ± 1.2 | |
| Red blood cell, ×106/μL | 4.6 ± 0.5 | 3.8 ± 0.3 | 4.2 ± 0.2 | 4.6 ± 0.3 | 4.9 ± 0.3 | 5.2 ± 0.3 | 5.6 ± 0.2 | < 0.01 |
| Mean corpuscular volume, fL | 91.1 ± 4.8 | 91.5 ± 6.0 | 91.6 ± 4.4 | 90.6 ± 4.7 | 91.2 ± 4.7 | 90.8 ± 4.2 | 90.8 ± 4.1 | 0.35 |
| Mean corpuscular hemoglobin, pg | 31.2 ± 1.8 | 31.1 ± 2.2 | 31.3 ± 1.7 | 31.0 ± 1.8 | 31.3 ± 1.8 | 31.3 ± 1.5 | 31.0 ± 1.5 | 0.53 |
| Mean corpuscular hemoglobin concentration, g/dL | 34.3 ± 1.1 | 34.1 ± 1.1 | 34.1 ± 1.0 | 34.3 ± 1.0 | 34.4 ± 0.9 | 34.5 ± 1.0 | 34.4 ± 2.2 | 0.02 |
| Platelets, × 103/μL | 205.3 ± 52.8 | 197.4 ± 53.4 | 195.5 ± 51.6 | 207.5 ± 54.1 | 217.6 ± 48.1 | 201.7 ± 56.9 | 190.2 ± 47.2 | < 0.01 |
| Mean platelet volume, fL | 10.2 ± 0.9 | 10.2 ± 1.0 | 10.1 ± 0.8 | 10.1 ± 0.9 | 10.2 ± 0.8 | 10.3 ± 1.0 | 10.5 ± 0.7 | 0.14 |