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Table 1 Characteristics of 131 de novo mNPC with Bone-only metastasis

From: Optimizing the treatment mode for de novo metastatic nasopharyngeal carcinoma with bone-only metastasis

Characteristics RT to bone metastases p
No n (%) Yes n (%)
Total 81 (61.8) 50 (38.2)  
Age(y)    0.270
  ≤ 50 49 (60.5) 35 (70.0)  
  > 50 32 (39.5) 15 (30.0)  
Sex    0.941
 Female 66 (81.5) 41 (82.0)  
 Male 15 (18.5) 9 (18.0)  
T stage    0.458
 T1–2 26 (32.1) 13 (26.0)  
 T3–4 55 (67.9) 37 (74.0)  
N stage    0.907
 N0–1 13 (16.0) 9 (18.0)  
 N2–3 68 (84.0) 41 (82.0)  
ECOG score    1.000
 0 72 (88.9) 46 (92.0)  
 1 9 (11.1) 4 (8.0)  
Chemo cycles    0.417
  < 4 26 (32.1) 16 (32.0)  
  ≥ 4 55 (67.9) 34 (68.0)  
No. of bone metastasis    0.480
  ≤ 5 50 (61.7) 38 (76.0)  
  > 5 31 (38.3) 12 (24.0)  
IMRTa    0.419
 No 34 (42.0) 19 (38.0)  
 Yes 47 (58.0) 31 (62.0)  
  1. ECOG Eastern Cooperative Oncology Group, Chemo Chemotherapy, RT radiotherapy, aRT techniques for nasopharynx and neck