Table 3.
Spearman correlation (rs) and intraclass correlation coefficient (ICC) for Ki–Patlak from shortened and routine long scan times in the lumbar spine and anterior iliac crests.
| Shortened – Routine | rs, p-value | ICC (95% CI) |
|---|---|---|
| Lumbar spine (L1–L4) | ||
| 15 min | 0.672, < 0.001 | 0.547 (0.275–0.734) |
| 30 min | 0.858, < 0.001 | 0.764 (0.584–0.869) |
| 45 min | 0.941, < 0.001 | 0.934 (0.881–0.964) |
| Both iliac crests | ||
| 15 min | 0.736, < 0.001 | 0.785 (0.634–0.878) |
| 30 min | 0.850, < 0.001 | 0.888 (0.803–0.938) |
| 45 min | 0.894, < 0.001 | 0.925 (0.865–0.959) |
CI, confidence interval.