Table 4.
Participant responses on items regarding N staging.
| N-staging item | Radiologists (N = 56) n (%) | Referring physicians (N = 50) n (%) | P -value* |
|---|---|---|---|
| Regional lymph nodes | |||
| Measurement | |||
| Major axis | 5 (9) | 10 (20) | |
| Minor axis | 20 (36) | 16 (32) | 0.051 |
| Two axes | 30 (54) | 17 (34) | |
| Three axes | 1 (2) | 7 (14) | |
| Numerical reporting | |||
| Exact number | 5 (9) | 25 (50) | < 0.001 |
| General idea of number (e.g., “few”, “multiple”) | 45 (80) | 24 (48) | |
| No mention of number | 6 (11) | 1 (2) | |
| Imaging descriptors | |||
| Extracapsular rupture | 33 (60) | 46 (92) | < 0.001 |
| Central density/signal changes (inferring necrosis) | 53 (96) | 43 (86) | 0.082 |
| Lymph node morphology (e.g., round, lobulated, or unusual) | 52 (93) | 39 (78) | 0.056 |
| Measurement | 55 (98) | 50 (100) | 1.000 |
| Precise anatomical terminology on lymph node chains | 53 (96) | 47 (94) | 0.667 |
* Fisher’s exact test.