Table 3. Multivariate analysis between independent factors and SUVmax in solitary pulmonary nodule patients.
| Subjects | N | Mean | SD | CI 95% | P | |
|---|---|---|---|---|---|---|
| Min | Max | |||||
| Agea | 1,592 | 67.14 | 8.891 | 65.71 | 66.58 | 0.000 |
| Nodule size CTa | 0.000 | |||||
| <20 mm | 1,096 | 3.48 | 4.191 | 3.23 | 3.73 | |
| 20–30 mm | 496 | 5.59 | 5.684 | 4.99 | 5.99 | |
| Nodule density CTb | 0.107 | |||||
| Solid | 1,272 | 4.12 | 4.939 | 3.84 | 4.39 | |
| psGGO | 291 | 4.24 | 4.230 | 3.76 | 4.73 | |
| pGGO | 29 | 2.28 | 3.316 | 1.01 | 3.54 | |
| Stageb | 0.081 | |||||
| IA | 1,429 | 4.06 | 4.708 | 3.82 | 4.30 | |
| IB | 95 | 4.14 | 5.760 | 2.96 | 5.31 | |
| IIA | 4 | 10.25 | 8.655 | −3.52 | 24.02 | |
| IIB | 29 | 5.10 | 4.923 | 3.23 | 6.98 | |
| IIIA | 5 | 5.40 | 3.975 | 0.46 | 10.34 | |
| Type of lesiona | 0.353 | |||||
| Benign | 30 | 3.30 | 3.303 | 3.23 | 3.73 | |
| Malignant | 1,562 | 4.12 | 4.820 | 4.99 | 5.99 | |
| N statusb | 0.004 | |||||
| N0 | 1,392 | 3.99 | 4.727 | 3.74 | 4.23 | |
| N1 | 92 | 4.97 | 5.562 | 3.82 | 6.12 | |
| N2 | 78 | 5.55 | 5.244 | 4.37 | 6.73 | |
| LN micrometastasesa | 0.223 | |||||
| Yes | 48 | 4.94 | 5.583 | 3.32 | 6.56 | |
| No | 1,544 | 4.08 | 4.769 | 3.84 | 4.32 | |
a, unpaired t-test (χ2); b, Mann-Whitney U-test. CT, computed tomography; psGGO, partially solid ground glass opacities; pGGO, pure ground glass opacities; LN, lymph node.