Table 5:
Accuracy for identification of advanced vs. early stagesa
| Standard Neck CT | Larynx CT Protocol | |
|---|---|---|
| Reader A, n = 25 | 0.88 (22) | 0.92 (23) |
| Supraglottic, n = 16 | 0.81 (13) | 0.88 (14) |
| Glottic, n = 9 | 1.0 (9) | 1.0 (9) |
| Reader B, n = 25 | 0.84 (21) | 0.68 (17) |
| Supraglottic, n = 16 | 0.81 (13) | 0.63 (10) |
| Glottic, n = 9 | 0.89 (8) | 0.78 (7) |
| Average, n = 25 | 0.86 | 0.80 |
a
The accuracy of our radiologists in distinguishing a high-stage lesion (T3 or T4) from a low-stage lesion (T1 or T2) for supraglottic and glottic tumors is shown. The accuracy is given as a fraction of the total number of cases that were correctly assigned a high or low stage.