Table 2 Lower reference limits (2.5th percentile) for ferritin in µg/L among pediatric patients for females.
Age | CLSI Parametric | CLSI Rank | Fractional polynomial | Correlation between ferritin and erythrocyte parameters | Hoq et al.33 | Adeli et al.11 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Hb | MCV | MCH | MCHC | RDW | Roche e602 | Abbott | Roche c702 | Siemens | Beckman | Abbott | Beckman | Ortho 5600 | ||||
2 | 4.3 | 5 | 2.5 | 10 | 8 | 5 | 11 | 5 | 12.5 | 10.1 | 8.5 | 9 | 9 | 5 | 10.3 | 9.51 |
3 | 5.0 | 4 | 6.3 | 10.7 | 8.1 | 6.8 | 7.3 | 7.3 | ||||||||
4 | 7.2 | 7 | 8.0 | 9.4 | 6.8 | 5.7 | 6.1 | 6.1 | ||||||||
5 | 9.1 | 8 | 8.8 | 10 | 6 | 4 | 10 | 5 | 8.6 | 6 | 4.9 | 5.4 | 5.4 | 14 | ||
6 | 9.6 | 9 | 9.1 | 8 | 5.4 | 4.2 | 4.8 | 4.8 | ||||||||
7 | 10.5 | 10 | 9.2 | 7.6 | 5 | 3.8 | 4.4 | 4.4 | ||||||||
8 | 11.8 | 11 | 9.0 | 7.3 | 4.8 | 3.4 | 4.2 | 4.1 | ||||||||
9 | 12.7 | 13 | 8.7 | 7.1 | 4.7 | 3.1 | 4 | 3.9 | ||||||||
10 | 11.0 | 10 | 8.4 | 7 | 4.7 | 2.9 | 3.9 | 3.8 | ||||||||
11 | 10.9 | 10 | 8.0 | 7 | 4.7 | 2.8 | 3.9 | 3.8 | ||||||||
12 | 7.8 | 7 | 7.5 | 7 | 4.8 | 2.6 | 3.9 | 3.8 | ||||||||
13 | 7.3 | 7 | 7.0 | 11 | 7 | 5 | 9 | 3 | 7 | 5 | 2.6 | 3.9 | 3.8 | 8.28 | ||
14 | 5.8 | 5 | 6.5 | 7.1 | 5.2 | 2.5 | 4 | 3.9 | ||||||||
15 | 5.9 | 6 | 6.0 | 7.3 | 5.4 | 2.5 | 4.1 | 4 | ||||||||
16 | 5.6 | 5 | 5.5 | 7.4 | 5.7 | 2.5 | 4.3 | 4.2 | 3.2 | |||||||
17 | 5.6 | 6 | 5.6 | 7.6 | 6 | 2.6 | 4.5 | 4.3 | ||||||||
18 | 5.6 | 6 | 5.1 | 7.8 | 6.3 | 2.6 | 4.6 | 4.5 | ||||||||