Table 2.
Receiver operating characteristic analysis: area under the curves and optimal cut-off values.
| Parameter | NSCLC | AC | SCC | ||||||
|---|---|---|---|---|---|---|---|---|---|
| AUC(95%CI) | Cut-off value | P | AUC(95%CI) | Cut-off Value | P | AUC(95%CI) | Cut-off Value | P | |
| SUVmax | 0.95(0.91–0.98) | >1.4 | 0.002 | 0.86(0.78–0.92) | >1.4 | 0.02 | 0.98(0.91–1.0) | >1.3 | 0.14 |
| SUVmean | 0.94(0.90–0.97) | >1.2 | 0.008 | 0.83(0.75–0.90) | >1.1 | 0.05 | 0.97(0.89–1.0) | >1 | 0.29 |
| SUVLN/PT | 0.89(0.83–0.93) | >0.3 | 0.71(0.61–0.79) | >0.3 | 0.95(0.86–0.99) | >0.3 | |||
| SUVLN/MBP | 0.92(0.87–0.96) | >1.5 | 0.24 | 0.82(0.73–0.89) | >0.9 | 0.40 | 0.98(0.91–1.0) | >1.5 | 0.14 |
| SUVLN/M | 0.97(0.94–0.99) | >2.4 | 0.01 | 0.94(0.88–0.98) | >2.4 | 0.06 | 0.98(0.91–1.0) | >2.6 | 0.14 |
CI, confidence interval; SUV, standardized uptake value; LN, lymph node; MBPS, mediastinal blood pool; PT, primary tumor; M, muscle; P, P value.