Table 3.
Prevalence of abnormal values for iron status indicators regardless of inflammation and C-reactive protein (CRP) in preschool Inuit children.
| Mean (SD) | Median (IQR) | Cutoff point∗ | Prevalence of abnormal values % (n) |
|
|---|---|---|---|---|
| Hb (g/L) | 120.2 (11.0) | 120 (114–128) | <110 | 15.0 (27/180) |
| MCV (fL) | 74.5 (5.7) | 75.4 (72.3–77.9) | <72 | 22.8 (41/180) |
| MCHC (g/L) | 330.0 (17.0) | 329 (319–344) | <320 | 27.7 (49/177) |
| SI (µmol/L) | 8.7 (4.7) | 8.0 (5.0–11.0) | <9 | 54.7 (93/170) |
| TIBC (µmol/L) | 81.3 (13.8) | 80.6 (71.3–89.4) | >72 | 74.1 (126/170) |
| TS (%) | 11.1 (6.5) | 10.0 (6.3–14.0) | <16 | 81.8 (139/170) |
| SF (µg/L) | 24.5 (18.6) | 21.0 (11.8–30.0) | <15 | 32.9 (56/170) |
| sTfR (mg/L) | 2.1 (0.7) | 1.9 (1.7–2.3) | >1.95 | 47.4 (73/154) |
| sTfR-FI | 1.9 (1.8) | 1.5 (1.2–1.9) | >1.5 | 49.7 (74/149) |
| CRP (mg/L) | 5.9 (12.6) | 0.9 (0.5–4.8) | >5 | 24.7 (42/170) |
SD: standard deviation; IQR: interquartile range.
Hb: hemoglobin; MCV: mean corpuscular volume; MCHC: mean corpuscular hemoglobin concentration; SI: serum iron; TIBC: total iron binding capacity; TS: transferrin saturation; SF: serum ferritin; sTfR: soluble transferrin receptor; sTfR-FI: soluble transferrin receptor-ferritin index.