Table 2.
Analytes with serum to plasma correlations ≥ 80%.
| Serum |
Plasma |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Analyte name | Mean | SD | Range | Mean | SD | Range | r | ||
| Serum to Plasma Correlation ≥ 0.90 | |||||||||
| Thyroid Stimulating Hormone, uIU/mL | 1.76 | 0.96 | 0.36 | 3.90 | 1.78 | 1.01 | 0.35 | 4.10 | 0.99 |
| IgE, ng/mL | 58.73 | 111.43 | 0.98 | 487.00 | 72.81 | 128.53 | 3.80 | 605.00 | 0.97 |
| Lipoprotein (a), ug/mL | 108.69 | 96.74 | 8.00 | 400.00 | 108.07 | 99.26 | 5.20 | 383.00 | 0.97 |
| Insulin, uIU/mL | 2.20 | 1.30 | 0.35 | 5.00 | 2.45 | 1.31 | 0.42 | 4.90 | 0.96 |
| Adiponectin, ug/mL | 5.66 | 2.43 | 1.70 | 10.40 | 5.25 | 2.32 | 1.50 | 9.20 | 0.95 |
| Ferritin, ng/mL | 144.52 | 96.76 | 22.70 | 364.00 | 132.63 | 90.30 | 22.50 | 337.00 | 0.95 |
| Cancer Antigen 19-9, U/mL | 7.42 | 7.81 | 0.59 | 35.30 | 10.14 | 9.72 | 0.42 | 45.10 | 0.93 |
| IgM, mg/mL | 0.87 | 0.40 | 0.08 | 1.60 | 0.86 | 0.39 | 0.08 | 1.90 | 0.93 |
| TNF RII, ng/mL | 5.85 | 4.61 | 2.90 | 26.90 | 5.44 | 4.38 | 2.80 | 25.70 | 0.92 |
| α-1 Antitrypsin, mg/mL | 2.18 | 0.57 | 1.10 | 3.90 | 2.14 | 0.56 | 1.20 | 3.70 | 0.91 |
| Growth Hormone, ng/mL | 2.27 | 3.18 | 0.08 | 12.90 | 1.94 | 2.40 | 0.08 | 9.10 | 0.91 |
| Haptoglobin, mg/mL | 1.93 | 1.13 | 0.46 | 4.00 | 2.00 | 1.22 | 0.47 | 4.40 | 0.91 |
| IL-18, pg/mL | 349.24 | 304.08 | 156.00 | 1740.00 | 340.60 | 310.10 | 137.00 | 1760.00 | 0.91 |
| IL-16, pg/mL | 432.88 | 151.16 | 224.00 | 756.00 | 350.88 | 117.58 | 193.00 | 586.00 | 0.90 |
| MDC, pg/mL a | 613.76 | 232.51 | 376.00 | 1320.00 | 495.60 | 195.67 | 277.00 | 1220.00 | 0.90 |
| Serum to Plasma Correlation between 0.80 and 0.89 | |||||||||
| IgA, mg/mL | 1.12 | 0.40 | 0.54 | 2.00 | 1.14 | 0.41 | 0.53 | 2.00 | 0.89 |
| Myoglobin, ng/mL | 12.69 | 6.19 | 5.90 | 32.20 | 11.94 | 5.30 | 6.60 | 30.00 | 0.89 |
| Apolipoprotein A1, mg/mL | 0.28 | 0.09 | 0.13 | 0.45 | 0.29 | 0.10 | 0.13 | 0.49 | 0.88 |
| Carcinoembryonic Antigen , ng/mL | 1.27 | 0.78 | 0.28 | 3.20 | 1.53 | 0.92 | 0.44 | 3.40 | 0.88 |
| SHBG, nmol/L | 49.09 | 28.22 | 17.50 | 128.00 | 42.65 | 20.09 | 18.50 | 99.30 | 0.88 |
| Apolipoprotein H, ug/mL a, d | 230.25 | 44.60 | 91.20 | 298.00 | 231.89 | 50.46 | 70.20 | 319.00 | 0.87 |
| Eotaxin, pg/mL c | 273.35 | 273.46 | 94.20 | 1290.00 | 137.52 | 142.25 | 36.40 | 645.00 | 0.86 |
| VCAM-1, ng/mL c | 685.72 | 263.17 | 393.00 | 1810.00 | 650.76 | 218.19 | 396.00 | 1570.00 | 0.86 |
| α-Fetoprotein, ng/mL | 2.40 | 1.52 | 0.64 | 5.90 | 3.13 | 1.39 | 1.40 | 6.50 | 0.85 |
| Factor VII, ng/mL | 676.12 | 199.15 | 212.00 | 1110.00 | 803.88 | 223.32 | 266.00 | 1190.00 | 0.85 |
| β-2 Microglobulin, ug/mL | 2.05 | 1.12 | 1.30 | 6.80 | 2.02 | 0.99 | 1.20 | 6.00 | 0.83 |
| Leptin, ng/mL | 26.18 | 26.16 | 1.30 | 90.80 | 30.17 | 28.31 | 1.30 | 102.00 | 0.83 |
| α-2 Macroglobulin, mg/mL | 1.03 | 0.16 | 0.75 | 1.30 | 1.05 | 0.15 | 0.76 | 1.30 | 0.82 |
| Fatty Acid Binding Protein, ng/mL b, c | 1.55 | 1.48 | 0.40 | 4.50 | 1.84 | 1.71 | 0.47 | 6.50 | 0.80 |
Replicate correlations within sample type for each analyte are ≥0.90 unless otherwise noted by superscript a–d.
Replicate correlations within sample type: serum - a) 0.80 – 0.89; b) 0.70 – 0.79; plasma - c) 0.80 – 0.89; d) < 0.60
All analytes were detected in at least 50% of the samples for both serum and plasma.