Table 4.
Association between total BF% and anemia, iron, inflammation by BF% quartiles by different gender.
| Women | 1st quartile BF% (lowest–34.8%) | 2nd quartile BF% (34.8–39.7%) | 3rd quartile BF% (39.7–43.9%) | 4th quartile BF% (43.9–highest) |
|---|---|---|---|---|
| Anemia, n (%) | 54 (5.2) | 69 (6.6) | 71 (8.1) | 94 (9) |
| Hb (g/dL) | 13.56 ± 0.05 | 13.57 ± 0.05 | 13.55 ± 0.06 | 13.52 ± 0.07 |
| MCV (fl) | 90.74 ± 0.22 | 89.19 ± 0.27 | 88.11 ± 0.26 | 87.02 ± 0.22 |
| MCV ≤ 80 | 38(3.6) | 69(6.2) | 75(7.7) | 102(9.7) |
| Ln SF/sTfR | 1.28 ± 0.02 | 1.27 ± 0.02 | 1.26 ± 0.03 | 1.14 ± 0.02 |
| Ln SF/sTfR (<0.818) | 160 (19.2) | 170 (19.8) | 187 (22.4) | 219 (25.6) |
| CRP or HsCRP, n (%) | 79 (10.3) | 137 (17.9) | 270 (36.2) | 408 (54.7) |
| Men | 1st quartile BF% (lowest–23.8%) | 2nd quartile BF% (23.8–27.9%) | 3rd quartile BF% (27.9–31.7%) | 4th quartile BF% (31.7–highest) |
| Anemia, n (%) | 5 (1.9) | 2 (0.8) | 3 (0.7) | 10 (1.9) |
| Hb (g/dL) | 15.19 ± 0.06 | 15.07 ± 0.06 | 15.27 ± 0.10 | 15.27 ± 0.12 |
| MCV (fl) | 90.07 ± 0.52 | 87.94 ± 0.31 | 88.01 ± 0.48 | 88.02 ± 0.60 |
| MCV ≤ 80 | 7 (1.4) | 11 (2.6) | 12 (2.7) | 16 (4.7) |
| LnSF/sTfR | 1.86 ± 0.06 | 1.93 ± 0.04 | 1.90 ± 0.07 | 1.85 ± 0.07 |
| LnSF/sTfR(<1.412) | 57 (21.8) | 54 (18.4) | 56 (19.6) | 68 (28.9) |
| CRP or HsCRP, n (%) | 41 (16.3) | 84 (32.7) | 98 (44.7) | 155 (61.5) |
Low level of Ln SF/sTfR defined as a value below the 25th percentile, <0.818 for women, <1.412 for men.
Hb, Hemoglobin; MCV, Mean cell volume; Ln SF, Ln Serum ferritin; sTfR, Soluble transferrin receptor; CRP, C-Reactive protein; and Hs-CRP, Hypersensitive C-reactive protein.