Table 3:
ADC value based on supracentimeter and subcentimeter lymph node size
| LN(a) group | LN Diameter (cm) | B/M | ADC Cutoff Value (×10−3 mm2/s) | ADC Value (×10−3mm2/s)a Benign Malignant | Sensitivity (%) | Specificity (%) | P | AUCb | |
|---|---|---|---|---|---|---|---|---|---|
| Benign | Malignant | ||||||||
| All | 0.27–2.89 | 146/23 | 0.851 | 1.086 ± 0.222 (0.578–1.932) | 0.705 ± 0.118 (0.437–0.884) | 91.3 | 91.1 | <.0001 | 0.97 (0.93–0.99) |
| Subcentimeter | 0.27–0.99 | 97/14 | 0.884 | 1.076 ± 0.238 (0.578–1.932) | 0.705 ± 0.141 (0.437–0.884) | 100 | 80.4 | <.0001 | 0.95 (0.90–0.98) |
| Supracentimeter | 1.00–2.89 | 49/9 | 0.851 | 1.105 ± 0.188 (0.771–1.494) | 0.705 ± 0.077 (0.598–0.851) | 100 | 91.8 | <.0001 | 0.97 (0.92–0.99) |
Note:—LN indicates lymph node; B/M, benign/malignant.
a
Mean ± SD. Parentheses show range of ADC values.
b
Parentheses show 95% confidential intervals.