Table 1.
Demographic and Clinical Characteristics of Lung Cancer Patients.
| Variable | Patients n | Median Survival (Months) | Log-rank p value | Adjusted HR (95% CI) | p value |
|---|---|---|---|---|---|
| Gender | |||||
| Male | 65 | 52 | - | 1.00 | - |
| Female | 34 | 81 | 0.001 | 0.32 (0.16–0.65) | 0.001 |
| Age (years) | |||||
| <65 | 36 | 78 | 1.00 | ||
| ≥65 | 63 | 52 | 0.002 | 2.75 (1.41–5.36) | 0.003 |
| Histological subtype | |||||
| adenocarcinoma | 65 | 67 | - | 1.00 | - |
| squamous cell carcinoma | 29 | 49 | 0.020 | 1.93 (1.10–3.40) | 0.023 |
| others | 5 | 41 | - | - | - |
| Smoking status | |||||
| Non-smokers (Pack-years = 0) | 31 | 80 | - | 1.00 | - |
| Smokers (Pack-years > 0) | 67 | 53 | 0.002 | 3.02 (1.47–6.22) | 0.003 |
| No information | 1 | - | - | - | - |
| Stage | |||||
| I & II | 74 | 69 | - | 1.00 | - |
| III & IV | 20 | 41 | 0.001 | 2.60 (1.42–4.75) | 0.002 |
| No information | 5 | 15 | - | - | - |
| T stage | |||||
| T1 | 39 | 82 | - | 1.00 | - |
| T2&T3&T4 | 55 | 49 | <0.0001 | 3.68 (1.88–7.23) | <0.0001 |
| No information | 5 | 15 | - | - | - |
| Lymph node metastasis | |||||
| N0 | 66 | 68 | - | 1.00 | - |
| N1&N2 | 28 | 49 | 0.030 | 1.87 (1.05–3.33) | 0.034 |
| No information | 5 | 15 | - | - | - |
| Distant metastasis | |||||
| M0 | 89 | 66 | - | 1.00 | - |
| M1 | 5 | 50 | 0.783 | 1.18 (0.37–3.79) | 0.784 |
| No information | 5 | 14 | - | - | - |
| Recurrence | |||||
| No | 50 | 83 | 1.00 | ||
| Yes | 44 | 43 | <0.0001 | 6.15 (3.09–12.24) | <0.0001 |
| No information | 5 | 4 | - | - | - |