| Variables | n | Survival rate (%) | χ2 | P | Local control rate (%) | χ2 | P | |||||
| 1-year | 3-years | 5-years | 1-year | 3-years | 5-years | |||||||
| Barium meal length |
|
|
| 12.54 | 0.0004 |
|
|
| 5.92 | 0.0149 | ||
|
| ≤4.5 cm | 71 | 88.54 | 53.22 | 29.17 |
|
| 85.09 | 67.69 | 63.27 |
|
|
|
| >4.5 cm | 207 | 73.05 | 31.14 | 15.57 |
|
| 77.44 | 54.82 | 42.79 |
|
|
| GTV maximum diameter |
|
|
| 5.05 | 0.0246 |
|
|
| 1.44 | 0.2295 | ||
|
| ≤1.8 cm | 60 | 90.57 | 47.17 | 28.30 |
|
| 84.59 | 65.73 | 57.26 |
|
|
|
| >1.8 cm | 218 | 75.71 | 37.14 | 18.57 |
|
| 79.19 | 58.37 | 49.82 |
|
|
| GTV length |
|
|
|
| 8.54 | 0.0035 |
|
|
| 2.80 | 0.0943 | |
|
| ≤6.0 cm | 91 | 88.89 | 51.85 | 29.63 |
|
| 83.99 | 64.65 | 61.04 |
|
|
|
| >6.0 cm | 187 | 74.18 | 33.52 | 16.48 |
|
| 78.96 | 57.69 | 46.21 |
|
|
| GTV volume |
|
|
|
| 5.56 | 0.0184 |
|
|
| 0.22 | 0.6411 | |
|
| ≤30.0 cm3 | 93 | 90.11 | 46.15 | 25.27 |
|
| 78.92 | 60.32 | 53.98 |
|
|
|
| >30.0 cm3 | 185 | 72.67 | 35.47 | 18.02 |
|
| 81.19 | 59.59 | 49.47 |
|
|