Table 2.
Comparison between MRI weights, MRI manual weights and autopsy weights of the cerebrum for newborns. Density for cerebrum used to compute the weight from the MR volume 1.08 g/mL. The threshold values used to remove the CSF from the MR segmentation are also included.
| MaRIAS no. | Gestational age [weeks] | Postnatal age [days] | CSF threshold value | MRI volume [mL] | MRI weight [g] | MRI manual weight [g] | Autopsy weight [g] |
|---|---|---|---|---|---|---|---|
| 193 | 40 | 21 | 600 | 418.15 | 451.61 | 446.08 | 457.0 |
| 194 | 39 | 1 | 600 | 418.56 | 452.05 | 446.46 | 462.5 |
| 256 | 38 | 1 | 800 | 360.43 | 389.27 | N/A | 433.0 |
| 259 | 29 | 120 | 400 | 413.45 | 446.52 | 442.92 | 456.7 |
| 262 | 37 | 3 | 500 | 338.13 | 365.18 | N/A | 368.0 |
| 274 | 40 | 2 | 600 | 430.50 | 481.29 | N/A | N/A |
| 276 | 41 | 1 | 600 | 333.32 | 359.99 | N/A | 367.0 |
| 293 | 35 | 10 | 600 | 329.07 | 355.40 | 350.62 | 360.0 |
| 300 | 40 | 1 | 400 | 388.61 | 419.70 | N/A | 420.0 |
| 306 | 37 | 1 | 500 | 287.15 | 345.49 | 309.86 | N/A |
| 313 | 37 | 3 | 800 | 310.26 | 335.08 | N/A | 360.0 |
| 315 | 40 | 3 | 900 | 321.41 | 347.13 | 347.30 | 409.0 |
| 318 | 40 | 2 | 400 | 313.07 | 338.12 | N/A | 368.0 |
| 325 | 40 | 30 | 500 | 586.24 | 633.14 | 627.79 | 635.0 |
| 356 | 40 | 1 | 600 | 428.28 | 462.54 | N/A | 445.9 |
| 368 | 35 | 5 | 600 | 345.69 | 373.35 | N/A | 363.8 |
| 386 | 40 | 30 | 700 | 501.73 | 541.87 | 534.37 | 609.0 |