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Intra- and inter-assay imprecision and recoveries for IGF-1 and IGF-2
| Intra-assay | Inter-assay | Recovery | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean (ng/mL) | SD (ng/mL) | CV (%) | Mean (ng/mL) | SD (ng/mL) | CV (%) | Mean (%) | SD (%) | CV (%) | |
| IGF-1 | |||||||||
| Low | 55.2 | 1.0 | 1.8 | 56.6 | 2.3 | 4.0 | 97 | 11.1 | 11.5 |
| Medium | 255.6 | 7.8 | 3.0 | 251.6 | 10.1 | 4.0 | 94 | 5.2 | 5.5 |
| High | 638.5 | 28.7 | 4.5 | 631.5 | 34.4 | 5.5 | 95 | 7.4 | 7.7 |
| IGF-2 | |||||||||
| Low | 458.7 | 10.9 | 2.4 | 450.3 | 26.0 | 5.8 | 108 | 5.8 | 5.4 |
| Medium | 1109.6 | 41.9 | 3.8 | 1089.5 | 56.8 | 5.2 | 109 | 9.8 | 9.0 |
| High | 1428.6 | 43.8 | 3.1 | 1379.1 | 78.6 | 5.7 | 107 | 8.9 | 8.3 |
