Table 4.
Perivenous Contrast-Related Artifacts in Conventional and Split-Bolus group
| Grade | Conventional group N = 102 (%) |
Split-bolus group N = 100 |
P | κ (95% CI) |
|---|---|---|---|---|
| Axillary artifact | <0.001 | 0.890 (0.825–0.955) | ||
| Reader 1 | ||||
| 1 | 0 | 9 (9.0) | ||
| 2 | 3 (2.9) | 51 (51.0) | ||
| 3 | 99 (97.1) | 40 (40.0) | ||
| Reader 2 | <0.001 | |||
| 1 | 0 | 9 (9.0) | ||
| 2 | 1 (1.0) | 42 (42.0) | ||
| 3 | 101 (99.0) | 49 (49.0) | ||
| Caval artifact | <0.001 | 0.896 (0.849–0.942) | ||
| Reader 1 | ||||
| 1 | 4 (3.9) | 42 (42.0) | ||
| 2 | 22 (21.6) | 51 (51.0) | ||
| 3 | 76 (74.5) | 7 (7.0) | ||
| Reader 2 | <0.001 | |||
| 1 | 2 (2.0) | 49 (49.0) | ||
| 2 | 17 (16.7) | 44 (44.0) | ||
| 3 | 83 (81.4) | 7 (7.0) | ||