| P-CUP | U-CUP |  |
---|---|---|---|
Characteristics | Number | Â | p-value |
Age, years, median (range) | 62 (49–78) | 60 (23–79) |  |
  < 65 years | 10 | 34 | 0.21 |
  > 65 years | 12 | 80 |  |
Sex | |||
 Male | 2 | 60 | < 0.001 |
 Female | 20 | 54 |  |
Performance status | |||
 0–1 | 22 | 99 | 0.60 |
 2–4 | 0 | 7 |  |
 Unknown | 0 | 8 |  |
Site of metastasis | |||
 Visceral organ | 4 | 36 | 0.31 |
  Lung | 2 | 22 |  |
  Liver | 2 | 20 |  |
  Brain | 0 | 2 |  |
  Other organ | 0 | 7 |  |
 Bone | 5 | 25 |  |
 Lymph node (LN) |  |  |  |
  Superficial LN | 14 | 54 |  |
  Deep LN | 11 | 67 |  |
Histology | |||
 Adenocarcinoma | 20 | 56 | < 0.001 |
 Non-adenocarcinoma | 2 | 58 |  |
  Undifferentiated carcinoma | 2 | 33 |  |
  Malignant neoplasm | 0 | 9 |  |
  Squamous cell carcinoma | 0 | 16 |  |