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Table 2 Survival of anaplastic thyroid cancer patients in subgroups

From: Long-term results of radiotherapy in anaplastic thyroid cancer

Parameter Subgroups Median overall survival (months) p
All patients   5  
Surgery Yes 10.5 0.02
No 3
N Stage N0 18.3 0.041
N+ 4.5
M Stage M0 18.3 0.07
M1 4
Age <67 years 5.5 0.39
≥67 years 4
Sex 5 0.66
5
Histology “Pure ATC” 4.5 0.29
“ATC with PDTC” 10.5
Total RT dose (Gy) ≥50 10.5 0.02
<50 3
Resection status R2 3.6 0.41
R0, R1 12.2
Lymph node dissection Yes 12.2 0.051
No 3
Chemotherapy Yes 4 0.85
  No 5.5