Table 3.
Clinicopathologic Factor | DFS | OS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total | Survival (mo.) | Univariate Analysis | Multivariate Analysis | Survival (mo.) | Univariate Analysis | Multivariate Analysis | ||||||||
N | χ2 | p-Values | HR (95% CI) | p-Values | χ2 | p-Values | HR (95% CI) | p-Values | ||||||
Age | <60 | 45 | 21.69 ± 6.90 | 2.577 | 0.108 | 1.604 | 0.842–3.057 | 0.151 | 22.67 ± 6.43 | 2.608 | 0.106 | 2.184 | 0.894–5.337 | 0.086 |
≥60 | 65 | 20.66 ± 7.75 | 24.15 ± 7.76 | |||||||||||
Gender | Male | 78 | 19.92 ± 6.85 | 4.447 | 0.035 | 0.237 | 0.098–0.574 | 0.001 | 22.65 ± 5.95 | 8.597 | 0.003 | 0.120 | 0.026–0.553 | 0.006 |
Female | 32 | 23.91 ± 8.02 | 25.72 ± 9.50 | |||||||||||
Smoking | No | 45 | 21.33 ± 7.95 | 0.580 | 0.446 | 0.456 | 0.215–0.969 | 0.041 | 23.96 ± 8.00 | 0.707 | 0.401 | 0.578 | 0.220–1.519 | 0.266 |
Yes | 65 | 20.91 ± 7.05 | 23.26 ± 6.74 | |||||||||||
Lesion site | Left lobe | 50 | 20.94 ± 7.79 | 0.003 | 0.957 | 0.873 | 0.476–1.601 | 0.660 | 24.26 ± 7.74 | 0.254 | 0.615 | 0.933 | 0.409–2.130 | 0.869 |
Right lobe | 60 | 21.20 ± 7.12 | 22.95 ± 6.83 | |||||||||||
Histopathological type | SCC | 45 | 22.60 ± 7.85 | 2.286 | 0.131 | 1.374 | 0.654–2.888 | 0.401 | 24.76 ± 7.76 | 0.068 | 0.794 | 1.338 | 0.518–3.452 | 0.548 |
ADC | 65 | 20.03 ± 6.94 | 22.71 ± 6.82 | |||||||||||
Tumor size | ≤3 cm | 24 | 20.38 ± 6.28 | 0.833 | 0.361 | 0.894 | 0.421–1.897 | 0.769 | 24.12 ± 8.22 | 0.342 | 0.559 | 1.528 | 0.476–4.903 | 0.476 |
>3 cm | 85 | 21.34 ± 7.73 | 23.47 ± 7.00 | |||||||||||
Differentiation | Well/Moderate | 40 | 21.55 ± 6.92 | 0.016 | 0.898 | 0.685 | 0.326–1.439 | 0.318 | 23.80 ± 6.43 | 0.000 | 1.000 | 0.653 | 0.237–1.796 | 0.409 |
Poor | 70 | 20.81 ± 7.70 | 23.40 ± 7.73 | |||||||||||
T stage | T2 | 93 | 20.92 ± 7.23 | 0.000 | 0.993 | 0.776 | 0.313–1.925 | 0.584 | 23.30 ± 6.92 | 0.269 | 0.604 | 0.410 | 0.120–1.407 | 0.156 |
T3 | 17 | 21.94 ± 8.45 | 24.88 ± 8.99 | |||||||||||
Lymph node status | N0 | 18 | 19.28 ± 4.99 | 0.585 | 0.444 | 0.757 | 0.256–2.243 | 0.616 | 20.39 ± 3.27 | 0.455 | 0.500 | 0.497 | 0.133–1.859 | 0.299 |
N1–3 | 92 | 21.43 ± 7.76 | 24.16 ± 7.66 | |||||||||||
Distant metastasis | M0 | 108 | 20.82 ± 7.09 | 2.229 | 0.135 | 0.000 | 0.000–9.74 × 10233 | 0.968 | 23.28 ± 6.82 | 0.417 | 0.519 | 1.451 | 0.139–15.122 | 0.756 |
M1 | 2 | 35.00 ± 14.14 | 38.00 ± 18.38 | |||||||||||
Clinical stage | I/II | 56 | 21.96 ± 6.89 | 5.723 | 0.017 | 1.878 | 0.903–3.903 | 0.091 | 23.29 ± 6.58 | 1.075 | 0.300 | 1.418 | 0.532–3.781 | 0.486 |
III/IV | 54 | 20.17 ± 7.85 | 23.81 ± 7.95 | |||||||||||
Circulating CK7 mRNA | >2-fold | 53 | 17.62 ± 7.95 | 82.565 | 1.02 × 10−9 | 132.315 | 10.691-1637.622 | 1.41 × 10−4 | 22.74 ± 9.00 | 36.447 | 1.57 × 10−9 | 91.148 | 3.863–2150.588 | 0.005 |
Normal/low | 57 | 24.30 ± 5.11 | 24.30 ± 5.11 | |||||||||||
Circulating ELF3 mRNA | >2-fold | 54 | 17.87 ± 8.00 | 77.808 | 1.13 × 10−18 | 119.681 | 10.024–1428.965 | 1.56 × 10−4 | 22.89 ± 8.91 | 34.479 | 4.31 × 10−9 | 84.458 | 3.655–1951.764 | 0.006 |
Normal/low | 56 | 24.18 ± 5.19 | 24.18 ± 5.19 | |||||||||||
Circulating EGFR mRNA | >2-fold | 57 | 18.39 ± 8.51 | 67.452 | 2.16 × 10−16 | 101.954 | 8.565–1213.683 | 2.53 × 10−4 | 23.14 ± 9.13 | 29.888 | 4.58 × 10−8 | 72.525 | 3.178–1655.090 | 0.007 |
Normal/low | 53 | 23.98 ± 4.49 | 23.98 ± 4.49 | |||||||||||
Circulating EphB4 mRNA | >2-fold | 52 | 17.69 ± 7.69 | 68.262 | 1.43 × 10−16 | 26.490 | 8.111–86.516 | 5.76 × 10−8 | 22.62 ± 8.88 | 30.619 | 3.14 × 10−8 | 19.010 | 4.487–80.547 | 6.40 × 10−5 |
Normal/low | 58 | 24.12 ± 5.64 | 24.38 ± 5.34 |
SCC: squamous cell carcinoma; ADC: adenocarcinoma; DFS: disease free survival; OS: overall survival; HR: hazard ratio; CI: confidence interval; mo.: month; Normal: 0.5 ≤ 2−ΔΔCt ≤ 2; low: 2−ΔΔCt < 0.5.