Table 1. Clinicopathologic variables as prognostic predictors for disease-free survival (DFS) and overall survival (OS) in 146 NSCLC patients (Univariate analyses; Log-rank test).
| Characteristic | No. of patients | 5-year DFS | 5-year OS | ||
| % | P value | % | P value | ||
| Gender | |||||
| Male | 110 | 48 | 69 | ||
| Female | 36 | 46 | 0.943 | 69 | 0.891 |
| Age | |||||
| <60 y | 77 | 43 | 7 | ||
| ≥60 y | 69 | 52 | 0.358 | 68 | 0.589 |
| Histology | |||||
| ADC* | 86 | 43 | 69 | ||
| SCC‡ | 52 | 54 | 70 | ||
| ADSCC§ | 8 | 51 | 0.703 | 62 | 0.595 |
| Cancer differentiation | |||||
| Low | 64 | 34 | 59 | ||
| Median, High | 82 | 57 | 0.036 | 76 | 0.038 |
| Tumor size | |||||
| <5 cm | 92 | 55 | 78 | ||
| ≥5 cm | 54 | 33 | 0.004 | 54 | 0.001 |
| N stage | |||||
| 0 | 81 | 62 | 84 | ||
| 1 | 26 | 50 | 66 | ||
| 2 | 38 | 15 | 39 | ||
| 3 | 1 | 0 | <0.001 | 0 | <0.001 |
| Pathologic stage | |||||
| I | 64 | 68 | 91 | ||
| II | 35 | 47 | 61 | ||
| III | 47 | 19 | <0.001 | 44 | <0.001 |
| Treatment | |||||
| Surgery | 86 | 53 | 73 | ||
| Surgery/Chemotherapy | 44 | 45 | 68 | ||
| Surgery/Radiation | 16 | 23 | 0.012 | 50 | 0.142 |
*
ADC = adenocarcinoma,
‡
SCC = squamous cell carcinoma,
§
ADSCC = adenosquamous cell carcinoma.