From: Pulmonary sarcomatoid carcinoma: a clinicopathologic study and prognostic analysis of 51 cases
Characters | Case numbers | The median survival time(month) | 5-year survival rate (%) | x2 | P |
---|---|---|---|---|---|
Gender | Â | Â | Â | Â | Â |
  Male | 43 | 6 | 21.7% | 1.424 | 0.233 |
  Female | 8 | 4 | 21.4% | ||
Age | Â | Â | Â | Â | Â |
  ≤60y | 28 | 8.5 | 22.4% | 4.055 | 0.044 |
  >60y | 23 | 4 | 15.1% | ||
Tumor size | Â | Â | Â | Â | Â |
  ≤7 cm | 25 | 29 | 30.8% | 21.789 | 0.000 |
  >7 cm | 26 | 4 | 7.7% | ||
Smoking history | Â | Â | Â | Â | Â |
  No | 18 | 5 | 25% | 0.622 | 0.430 |
  Yes | 33 | 6 | 21.2% | ||
T stage | Â | Â | Â | Â | Â |
  T1-2 | 20 | 32 | 28.4% | 12.423 | 0.000 |
  T3-4 | 31 | 4 | 14.2% | ||
Lymph node metastasis | Â | Â | Â | Â | Â |
  No | 27 | 7 | 24.2% | 2.813 | 0.093 |
  Yes | 24 | 4 | 14.3% | ||
M metastasis | Â | Â | Â | Â | Â |
  No | 38 | 9 | 26.1% | 36.313 | 0.000 |
  Yes | 13 | 3 | 0 | ||
Surgery or not | Â | Â | Â | Â | Â |
  Yes | 37 | 7 | 24.1% | 7.800 | 0.005 |
  No | 14 | 3.5 | 0 | ||
Postoperative chemotherapy | Â | Â | Â | Â | Â |
  Yes | 19 | 17 | 38.4% | 4.755 | 0.029 |
  No | 18 | 5.5 | 8.5% |