Table 2. The spectral parameters for different pathological entities of the parotid gland.
| Group | PA | MT | WT | F | P |
|---|---|---|---|---|---|
| IC (mg/mL) | 0.59±0.28 | 1.48±0.90 | 2.45±0.82 | 25.397 | 0.000 |
| WC (mg/mL) | 1,027.52±5.56 | 1,034.31±11.10 | 1,037.68±9.17 | 4.904 | 0.011 |
| NICA | 0.09±0.05 | 0.21±0.12 | 0.33±0.08 | 28.471 | 0.000 |
| λHU | 0.64±0.44 | 1.75±1.08 | 2.76±0.08 | 22.23 | 0.000 |
PA, pleomorphic adenoma; WT, Warthin tumors; MT, malignant tumors; F, the statistics of ANOVA; IC, iodine concentration; WC, water concentration; NICA, normalized iodine concentration to common carotid artery.