Variables | Univariate Analysis | |
---|---|---|
HR(95% CI) | p value | |
Age | ||
< 60 years | 1 | 0.703 |
≥ 60 years | 1.07 (0.73–1.57) | |
Gender | ||
Male | 1 | 0.790 |
Female | 1.06 (0.65–1.74) | |
Smoking status | ||
Smoker | 1 | 0.690 |
Never-smoker | 0.91 (0.59–1.40) | |
PET scan | ||
Yes | 1 | 0.681 |
No | 1.08 (0.73–1.59) | |
Histology | ||
Pure SCLC | 1 | 0.486 |
Combined SCLC | 1.16 (0.75–1.79) | |
Tumor endoscopy | ||
Peripheral | 1 | 0.005 |
Central | 1.83 (1.20–2.78) | |
Visceral pleura invasion | ||
Yes | 1 | 0.624 |
No | 0.86 (0.49–1.52) | |
LVI | ||
Yes | 1 | 0.047 |
No | 0.66 (0.44–0.99) | |
Tumor size (cm) | ||
≤ 3 | 1 | |
> 3, ≤ 5 | 1.88 (1.14–3.08) | 0.012 |
> 5 | 2.31 (1.32–4.05) | 0.003 |
Cycles of Chemotherapy | ||
≤ 4 | 1 | 0.079 |
> 4 | 0.70 (0.47–1.04) | |
PORT to the lung | ||
Yes | 1 | 0.003 |
No | 1.81 (1.22–2.68) | |
PCI | ||
Yes | 1 | 0.004 |
No | 1.89 (1.23–2.89) | |
Node levels | ||
Single-station N2 | 1 | 0.003 |
Multiple-station N2 | 1.78 (1.21–2.61) | |
Node-spreading patterns | ||
Nonskip N2 | 1 | 0.103 |
Skip N2 | 1.64 (0.90–3.01) | |
Subcarinal LN metastasis | ||
No | 1 | < 0.05 |
Yes | 2.08 (1.42–3.07) |