Variable | <63 Gy | ≥63 Gy | χ 2 | p |
---|---|---|---|---|
Gender | Â | Â | Â | Â |
  Male | 33 | 53 | 2.387 | 0.122 |
  Female | 8 | 26 | ||
Age (years) | Â | Â | Â | Â |
  <65 | 27 | 55 | 0.177 | 0.674 |
  ≥65 | 14 | 24 | ||
Pathological type | Â | Â | Â | Â |
  Squamous | 17 | 23 | 5.268 | 0.072 |
  Adenocarcinoma | 18 | 51 | ||
  Other types | 6 | 5 | ||
T stage | Â | Â | Â | Â |
  T1 | 3 | 7 | 2.371 | 0.499 |
  T2 | 17 | 23 | ||
  T3 | 6 | 10 | ||
  T4 | 15 | 39 | ||
N stage | Â | Â | Â | Â |
  N0 | 3 | 5 | 2.631# | 0.444 |
  N1 | 2 | 10 | ||
  N2 | 14 | 31 | ||
  N3 | 22 | 33 | ||
GTV (cm3) | 23.64 ~ 892.00 (204.91) | 16.55 ~ 617.50 (160.51) | 1.108* | 0.171 |
Chemotherapy | Â | Â | Â | Â |
  2-3 cycles | 23 | 23 | 8.314 | 0.004 |
  4-5 cycles | 18 | 56 | ||
  Range (median) | 2-4 (3) | 2-5 (4) |  |  |
Organ metastases | Â | Â | Â | Â |
  Single organ | 27 | 54 | 0.077 | 0.781 |
  Multi-organ | 14 | 25 | ||
Treatment response of primary tumor | Â | Â | Â | Â |
  CR | 1 | 10 | 3.961 | 0.138 |
  PR | 32 | 59 | ||
  NC | 8 | 10 |