Table.
Summary of PHE Measurements
| Median Volume cc (IQR) | Wilcoxon Rank-Sum P Value | Interrater ICC (95% CI) | Intrarater ICC (95% CI) | |
|---|---|---|---|---|
| Baseline | ||||
| R1, R2 | 22.7 (9.2–37.2), 19.6 (10.1–40.6) | 0.96 | 0.98 (0.96–1 .00) | NA |
| R1 retest | 18.5 (9.2–37.5) | 0.70 | NA | 0.99 (0.99–1.00) |
| 24-hours post-ICH | ||||
| R1, R2 | 20.4 (11.5–40.5), 23.2 (12.4–46.5) | 0.67 | 0.98 (0.97–1 .00) | NA |
| R1 retest | 21.6 (11.7–42.4) | 0.67 | NA | 0.99 (0.98–1.00) |
| CT, MRI (FLAIR) | 16.9 (9.8–37.1), 16.4 (11.8–36.1) | 0.80 | NA | 0.99 (0.98–1.00) |
cc indicates cubic centimeters; CI, confidence interval; CT, computed tomography; FLAIR, fluid-attenuated inversion recovery sequence; ICC, intraclass correlation coefficient; IQR, interquartile range; MRI, magnetic resonance imaging; NA, not applicable; R1, Rater 1; and R2, Rater 2.