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Table1 Clinical features of OS patients with or without lung metastasis

From: CCR9 initiates epithelial–mesenchymal transition by activating Wnt/β-catenin pathways to promote osteosarcoma metastasis

Clinical features OS patients with lung metastasis OS patients without lung metastasis P value
(n, %) (n, %)
All patients 22(100) 65(100)  
Age at diagnosis, year
 ≤ 18 19(86.4) 54(83.1) 0.7169
 > 18 3(13.6) 11(16.9)
Gender
 Male 10(45.5) 40(61.5) 0.1872
 Female 12(54.5) 25(38.5)  
Tumor site
 Femur 14(63.7) 26(40.0) 0.2483
 Tibia 3(13.6) 18(27.7)  
 Fibula 1(4.5) 7(10.8)  
 Others 4(18.2) 14(21.5)  
Relapse
 Yes 14(63.6) 24(36.9) 0.0290*
 No 8(36.4) 41(63.1)  
  1. *Statistically significant