Early and Delayed Planar HMR for Intra- and Interobserver Analysis
| Traditional method | Elliptic method | Region-growing method | ||||
| Reproducibility | Early HMR | Delayed HMR | Early HMR | Delayed HMR | Early HMR | Delayed HMR |
| Intraobserver | ||||||
| First measurement | 2.01 ± 0.18 | 2.12 ± 0.25 | 1.97 ± 0.17 | 2.09 ± 0.22 | 1.99 ± 0.19 | 2.14 ± 0.25 |
| Second measurement | 1.98 ± 0.19 | 2.08 ± 0.26 | 1.95 ± 0.16 | 2.07 ± 0.21 | 1.97 ± 0.17 | 2.12 ± 0.23 |
| ICC | 0.89 | 0.87 | 0.94 | 0.93 | 0.97 | 0.97 |
| 95% confidence interval | 0.67−0.96 | 0.66–0.97 | 0.72−0.99 | 0.74−0.98 | 0.92−0.99 | 0.82–0.99 |
| Interobserver | ||||||
| First observer | 2.01 ± 0.20 | 2.12 ± 0.25 | 1.97 ± 0.17 | 2.13 ± 0.23 | 1.99 ± 0.19 | 2.14 ± 0.25 |
| Second observer | 1.97 ± 0.23 | 2.09 ± 0.26 | 1.98 ± 0.19 | 2.12 ± 0.25 | 2.00 ± 0.20 | 2.11 ± 0.25 |
| ICC | 0.80 | 0.86 | 0.95 | 0.95 | 0.98 | 0.98 |
| 95% confidence interval | 0.52−0.92 | 0.62–0.95 | 0.92−0.99 | 0.91−0.99 | 0.95−0.99 | 0.94−0.99 |