Table 2.
Reproducibility values of human cardiac 31P‐MRS from the literature
| Reference | Field strength (T) | Cohort size | Acquisition time (min) | Localization method | Nominal voxel size (cm 3 ) | Absolute reproducibility (%) a |
|---|---|---|---|---|---|---|
| This study | 7 | 10 | 28 | 3D‐CSI | 1.5 × 1.5 × 2.5 = 5.6 mL | 26 |
| 6½ | 3D‐CSI | 2.5 × 1.5 × 2.5 = 9.4 mL | 39 | |||
| Bakermans et al, 201724 | 3 | 8 | 7 | Single‐voxel 3D ISIS | (8.0)3 = 512 mL | 40 |
| 1D ISIS with 1D CSI | — | 43 | ||||
| 1D ISIS with 1D CSI | — | 44 | ||||
| Tyler et al, 200915 | 3 | 20 | 30 | 3D CSI | 1.5 × 1.5 × 2.5 = 5.6 mL | 53 |
| Abozguia et al, 201029 | 3 | 1b | 23 | 3D ISIS | 4.4 × 5.5 × 3.7 = 90 mL | 31 |
| Schaefer et al, 199230 | 1.5 | 7 | 7 | 1D CSI | — | 22 |
| Lamb et al, 199625 | 1.5 | 16 | 10 | 3D ISIS | 6.0 × 7.0 × 7.0 = 294 mL | 38c |
| 15 | 1D CSI | — | — | |||
| 30 | 2D ISIS +1D CSI | 1.0 cm thick slices | 46c |
a
Absolute reproducibility is calculated as [CR/(mean PCr/ATP)] × 100%.
b
A single subject was scanned eight times to assess reproducibility.
c
Absolute reproducibility was computed by extracting raw values from Figure 5 in Reference 25 using WebPlotDigitizer (https://apps.automeris.io/wpd/).