| Biological Parameters Units | Normal Range | Extremes Values | Number of Patients | Mean Values |
| Urinary Metanephrines nmol/24 h | 250 à 1200 | 32 - 2839 | 5 | 1331.8 |
| Urinary Normetanephrines nmol/24 h | 750 à 2000 | 1293 - 62784 | 6 | 7847 |
| 3-Methoxytyraminenmol/24 h | 600 à 1300 | 926 - 6231 | 5 | 3102.2 |
| Urinary Noradrenaline nmol/24 h | 90 à 500 |
| 1 | 2301 |
| Serum Metanephrines nmol/L | ≤0.92 | 4.32 - 17.16 | 2 | 10.74 |
| Serum Normetanephrines nmol/L | ≤1.29 |
| 1 | 113 |
| Chromogranin Ang/mL | ≤100 |
| 1 | >100 |
| Urinary VMA/Creatinine Ratioµmol/mmol of Creatinine | 0.8 à 2.0 |
| 1 | 5.4 |
| Urinary Vanyl Mandelic Acid mmol/24 h | <33 | 100 - 161.3 | 4 | 119.95 |