Table 2.
Reliability of PVS metrics and ventricular volume.
| Measure | ICC(3,k) value | |
|---|---|---|
| Astronauts | Controls | |
| Total PVS volume (mm3) | 0.98 | 0.99 |
| Total PVS number (No.) | 0.97 | 0.98 |
| Median PVS volume (mm3) | 0.67 | 0.79 |
| Median PVS length (mm) | 0.59 | 0.59 |
| Median PVS width (mm) | 0.47 | 0.41 |
| Lateral + third ventricular volume (mL) | 1.00 | 1.00 |
Here we report the ICC(3,k) values across the two pre-flight scans for the astronauts, and across all four scans for the control group. We planned a priori to exclude from further statistical analyses any metric with an ICC(3,k) value < 0.50.