Table 2.
HD specific cut-offs (97.5% percentiles) for plasma metanephrines for patients on HD when the blood is drawn from the vein and before HD versus the shunt, near the end of HD.
| Patients on HD | ||
|---|---|---|
| Vein before HD | Shunt near the end of HD | |
| Normetanephrine (nmol/L) | ||
| Median | 0.649 | 0.451 |
| 2.5 Percentile | 0.181 | 0.131 |
| 97.5 Percentile | 1.622 | 1.055 |
| Metanephrine (nmol/L) | ||
| Median | 0.231 | 0.191 |
| 2.5 Percentile | 0.092 | 0.064 |
| 97.5 Percentile | 0.417 | 0.472 |
| Methoxytyramine (nmol/L) | ||
| Median | 0.075 | 0.043 |
| 2.5 Percentile | 0.019 | 0.007 |
| 97.5 Percentile | 0.896 | 0.653 |