Table 1 A summary of the differences between the original and new prior knowledge for 2, 3 DPG.
From: Cardiac 31 P MRS analysis development: Improved fitting of 2, 3 DPG
| Â | PARAMETER | OLD PK | NEW PK |
|---|---|---|---|
2 DPG | Amplitude estimate | estimate | Fixed 3 DPGx0.8 |
| Â | Relative Phase | FIxed 0 | Fixed 0 |
| Â | Line Width | estimate | 20-100 |
| Â | Frequency | Soft constraint | 5.01-6.01 |
| Â | Shape | Lorentizian | Lorentizian |
| Â | PARAMETER | OLD PK | NEW PK |
3 DPG | Amplitude estimate | estimate | estimate |
| Â | Relative Phase | FIxed 0 | FIxed 0 |
| Â | Line Width | estimate | 2 DPGx1 |
| Â | Frequency | Soft constraint | 6.02-6.81 |
| Â | Shape | Lorentizian | Lorentizian |