Independents Variables | Univariate Predictors | Multivariate Predictors | ||
---|---|---|---|---|
N Metastasis/N total | Odds Ratio (95% CI), P-value | B | Odds Ratio (95% CI), P-value | |
Age (years) | ||||
≤60 | 8/298 (2.7%) | Reference | ||
> 60 | 3/291 (0%) | 0.38 (0.10–1.44), 0.153* | ||
Sex | ||||
Female | 8/301 (2.7%) | Reference | ||
Male | 3/288 (1.0%) | 0.39 (0.10–1.47), 0.162* | ||
Maximum diameter of tumor | ||||
≤1.6 cm | 6/303 (2.0%) | Reference | ||
> 1.6 cm | 4/279 (1.4%) | 0.72 (0.20–2.58), 0.614 | ||
Position | 0.961 | |||
Right Upper Lobe | 4/181 (2.2%) | Reference | ||
Right Middle Lobe | 0/28 (0.0%) | 0.00 (0.00,), 0.998 | ||
Right Lower Lobe | 3/84 (3.6%) | 1.64 (0.36–7.49), 0.524 | ||
Left Upper Lobe | 2/135 (1.5%) | 0.67 (0.12–3.69), 0.641 | ||
Left Lower Lobe | 1/87 (1.1%) | 0.52 (0.06–4.67), 0.555 | ||
Ipsilateral Mixed lobes | 1/48 (2.1%) | 0.94 (0.10–8.62), 0.957 | ||
Bilateral Mixed lobes | 0/26 (0.0%) | 0.00 (0.00,), 0.998 | ||
Pathological type | ||||
Adenocarcinoma | 7/440 (1.6%) | Reference | ||
Others | 4/147 (2.75) | 1.73 (0.50–6.00), 0.387 | ||
Tumor differentiation | ||||
No | 2/153 (1.3%) | Reference | ||
Yes | 9/413 (2.2%) | 1.68 (0.36–7.87), 0.509 | ||
Pathological morphology | ||||
No | 4/209 (1.9%) | Reference | ||
Yes | 7/356 (2.0%) | 1.03 (0.30–3.55), 0.965 | ||
Pulmonary membrane invasion | ||||
No | 8/427 (1.9%) | Reference | ||
Yes | 2/57 (3.5%) | 1.91 (0.39–9.20), 0.423 | ||
Bronchial mucosa and cartilage invasion | ||||
No | 10/534 (1.9%) | Reference | ||
Yes | 1/54 (1.9%) | 0.99 (0.12–7.87), 0.991 | ||
Vascular invasion | ||||
No | 10/542 (1.8%) | Reference | ||
Yes | 1/44 (2.3%) | 1.24 (0.16–9.89), 0.841 | ||
Nerve invasion | ||||
No | 9/576 (1.6%) | Reference | ||
Yes | 2/12 (16.7%) | 12.60 (2.41–65.93), 0.003* | 3.37 | 29.11 (3.81–222.61), 0.001# |
CEA | ||||
≤2.21 ng/ml | 6/250 (2.4%) | Reference | ||
> 2.21 ng/ml | 5/253 (2.0%) | 0.82 (0.25–2.72), 0.746 | ||
Albumin | ||||
≤43.1 g/l | 3/287 (1.0%) | Reference | ||
> 43.1 g/l | 8/286 (2.8%) | 0.34 (0.19–0.62), < 0.0001* | 1.63 | 5.09 (0.99–26.20), 0.051# |