Agreement Between Purely Quantitative Assessment and Observers’ Evaluations
| Evaluation | Observer | κ | 95% confidence interval on SE | κmean |
| Visual | A | 0.74 | 0.62–0.87 | 0.83 |
| B | 0.93 | 0.85–1.00 | ||
| C | 0.82 | 0.71–0.92 | ||
| Visual, SBR, and CPR | A | 0.96 | 0.91–1.00 | 0.95 |
| B | 0.96 | 0.91–1.00 | ||
| C | 0.92 | 0.85–1.00 |
Quantitative assessment performed using reference SBR and CPR values.