Table 2.
Correlation coefficients (lower diagonal) and 95% confidence intervals (upper diagonal) between the computational PVS measures and visual ratings (n = 533).
| 1 | 2 | 3 | 4 | 5 | 6 | |
|---|---|---|---|---|---|---|
| 1. PVS visual rating | – | 0.52–0.64 | 0.56–0.67 | 0.49–0.61 | 0.45–0.58 | 0.40–0.54 |
| 2. PVS Count | 0.59 | – | 0.91–0.93 | 0.67–0.75 | 0.62–0.71 | 0.48–0.60 |
| 3. PVS volume | 0.61 | 0.92 | – | 0.83–0.87 | 0.82–0.87 | 0.77–0.83 |
| 4. PVS mean length | 0.55 | 0.71 | 0.85 | – | 0.94–0.95 | 0.87–0.90 |
| 5. PVS mean width | 0.52 | 0.66 | 0.84 | 0.94 | – | 0.93–0.95 |
| 6. PVS mean size | 0.47 | 0.54 | 0.80 | 0.88 | 0.94 | – |
Note: Associations between PVS visual rating and the computational PVS measures are polyserial correlations given the ordered categorical nature of the visual ratings. All other associations are Pearson's correlations. Consideration of the 95% confidence intervals suggests all coefficients differ from zero.