Table 2.
Univariate analysis of clinicopathological factors for the overall survival in 157 NSCLC patients
| Variables | Overall survival time(months)
|
P-value | |
|---|---|---|---|
| Mean ± SD | Median | ||
| Sex | 0.171 | ||
| Female | 60.8±3.7 | NR | |
| Male | 58.5±2.9 | 66.0 | |
| Age (years) | 0.209 | ||
| ≤60 | 58.0±3.1 | 66.0 | |
| >60 | 60.2±3.2 | NR | |
| Smoking | 0.370 | ||
| Yes | 56.7±2.8 | 67.0 | |
| No | 62.6±3.7 | 72.0 | |
| Tumor size (cm) | 0.547 | ||
| ≤3 | 57.4±3.3 | 67.0 | |
| >3 | 61.8±3.2 | 74.0 | |
| Histological type | 0.264 | ||
| Adenocarcinoma | 58.5±3.3 | 64.0 | |
| Squamous cell carcinoma | 60.7±3.0 | 69.0 | |
| Differentiation | 0.035* | ||
| Well/moderate | 61.7±2.7 | NR | |
| Poor | 55.2±3.7 | 64.0 | |
| TNM stage | <0.001* | ||
| I/II | 71.2±3.1 | NR | |
| III/IV | 50.3±2.8 | 57.0 | |
| LN metastasis | <0.001* | ||
| Negative | 70.0±3.0 | NR | |
| Positive | 48.9±2.9 | 61.0 | |
| GPR56 expression | <0.001* | ||
| Negative | 73.9±2.9 | NR | |
| Positive | 49.1±2.4 | 62.0 | |
Note:
*
Statistically significant.
Abbreviations: GPR56, G protein-coupled receptor 56; LN, lymph node; NR, not reached; NSCLC, non-small-cell lung carcinoma; SD, standard deviation.