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Plasma ascorbic acid and total vitamin C concentrations (μmol/L) as measured by EC-HPLC and UV-HPLC in 80 consecutive patient samples
| EC-HPLC | UV-HPLC | ||
|---|---|---|---|
| Ascorbic acid | Mean ± SD | 39.1 ± 24.3 | 45.2 ± 27.6 |
| Median (interquartile range) | 35.3 (17.1-53.5) | 38.1 (25.0-60.0) | |
| Range | 5.80-117 | 4.10-134 | |
| Total vitamin C | Mean ± SD | 43.3 ± 26.3 | 47.0 ± 27.8 |
| Median (interquartile range) | 39.0 (20.0-59.9) | 40.0 (26.5-63.3) | |
| Range | 5 - 126 | 4 - 133 |
