Variable | Mean survival times (months) | χ2 | P |
---|---|---|---|
SCC antigen levels before chemotherapy | Â | 0.095 | 0.758 |
 NACT group (n = 63) | 40.16 (37.24, 43.07) |  |  |
 Conventional group (n = 39) | 33.43 (31.31, 35.56) |  |  |
NACT group | Â | 0.098 | 0.754 |
 Chemotherapy-insensitive group (n = 32) | 41.19 (37.29, 45.08) |  |  |
 Chemotherapy-sensitive group (n = 31) | 39.25 (35.01, 43.50) |  |  |
SCC antigen levels in NACT group before chemotherapy | Â | 9.880 | 0.002 |
  < 4.55 (n = 29) | NA a |  |  |
  ≥ 4.55 (n = 34) | NA a |  |  |
SCC antigen levels ≥4.55 before chemotherapy |  | 4.176 | 0.041 |
 NACT group (n = 34) | 36.40 (31.59, 41.22) |  |  |
 Conventional group (n = 21) | 32.95 (30.95, 34.96) |  |  |
SCC antigen levels in NACT group after the first chemotherapy | Â | 10.869 | 0.001 |
  < 2.70 (n = 39) | 43.75 (42.07, 45.43) |  |  |
  ≥ 2.70 (n = 24) | 34.40 (28.99, 40.81) |  |  |