Table 5.
Qualitative Mediastinal Lymph Node Assessment in Conventional and Split-Bolus Groups
| Grade | Conventional group N = 102 (%) |
Split-bolus group N = 100 |
P | κ (95% CI) |
|---|---|---|---|---|
| 2R Lymph Nodes | <0.001 | 0.944 (0.912–0.976) | ||
| Reader 1 | ||||
| 1 | 10 (9.8) | 76 (76) | ||
| 2 | 23 (22.5) | 14 (14) | ||
| 3 | 69 (67.6) | 10 (10) | ||
| Reader 2 | <0.001 | |||
| 1 | 12 (11.8) | 75 (75) | ||
| 2 | 17 (16.7) | 15 (15) | ||
| 3 | 73 (71.6) | 10 (10) | ||
| 2L Lymph Nodes | <0.001 | 0.906 (0.842–0.971) | ||
| Reader 1 | ||||
| 1 | 71 (69.6) | 91 (91.0) | ||
| 2 | 24 (23.5) | 6 (6.0) | ||
| 3 | 7 (6.9) | 3 (3.0) | ||
| Reader2 | <0.001 | |||
| 1 | 67 (65.7) | 90 (90.0) | ||
| 2 | 29 (28.4) | 7 (7.0) | ||
| 3 | 6 (5.9) | 3 (3.0) | ||
| 4R Lymph Nodes | <0.001 | 0.942 (0.909–0.976) | ||
| Reader 1 | ||||
| 1 | 9 (8.8) | 67 (67.0) | ||
| 2 | 24 (23.5) | 25 (25.0) | ||
| 3 | 69 (67.6) | 8 (8.0) | ||
| Reader2 | <0.001 | |||
| 1 | 8 (7.8) | 65 (65.0) | ||
| 2 | 19 (18.6) | 27 (27.0) | ||
| 3 | 75 (73.5) | 8 (8.0) | ||