Table 4. Multiphase CT attenuation in the irradiated hepatic parenchyma in subgroups according to Child-Pugh class A vs. B.
| Subgroups | Time interval | CT attenuation | Phase | |||
| Noncontrast | Arterial | Portal | Delayed | |||
| Child-Pugh | 1 month | Low | 13 (26.0%) | 3 (6.0%) | 8 (16.0%) | 1 (2.0%) |
| Class A | (n = 50) | Iso | 37 (74.0%) | 42 (84.0%) | 36 (72.0%) | 43 (86.0%) |
| High | 0 (0%) | 5 (10.0%) | 6 (12.0%) | 6 (12.0%) | ||
| 3 months | Low | 32 (69.6%) | 6 (13.0%) | 11 (23.9%) | 2 (4.3%) | |
| (n = 46)* | Iso | 14 (30.4%) | 19 (41.3%) | 15 (32.6%) | 20 (43.5%) | |
| High | 0 (0%) | 21 (45.7%) | 20 (43.5%) | 24 (52.2%) | ||
| 6 months | Low | 32 (80.0%) | 5 (12.5%) | 6 (15.0%) | 0 (0%) | |
| (n = 40)† | Iso | 8 (20.0%) | 14 (35.0%) | 10 (25.0%) | 16 (40.0%) | |
| High | 0 (0%) | 21 (52.5%) | 24 (60.0%) | 24 (60.0%) | ||
| P Values | <.01 | <.01 | <.01 | <.01 | ||
| Child-Pugh | 1 month | Low | 3 (27.3%) | 0 (0%) | 1 (9.1%) | 0 (0%) |
| Class B | (n = 11) | Iso | 8 (72.7%) | 9 (81.8%) | 8 (72.7%) | 9 (81.8%) |
| High | 0 (0%) | 2 (18.2%) | 2 (18.2%) | 2 (18.2%) | ||
| 3 months | Low | 8 (57.1%) | 1 (7.1%) | 1 (7.1%) | 0 (0%) | |
| (n = 14)* | Iso | 6 (42.9%) | 7 (50.0%) | 5 (35.7%) | 8 (57.1%) | |
| High | 0 (0%) | 6 (42.9%) | 8 (57.1%) | 6 (42.9%) | ||
| 6 months | Low | 13 (72.2%) | 0 (0%) | 2 (11.1%) | 0 (0%) | |
| (n = 18)† | Iso | 4 (22.2%) | 9 (50.0%) | 6 (33.3%) | 12 (66.7%) | |
| High | 1 (5.6%) | 9 (50.0%) | 10 (55.6%) | 6 (33.3%) | ||
| P Values | .05 | .22 | .21 | .47 | ||
Data are number of patients with percentages in parentheses. Sum of the percentages may not be 100% due to rounding of the numbers.
* One patient with Child-Pugh class C was excluded on 3 months follow up.
†
Three patients with Child-Pugh class C was excluded on 6 months follow up.