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Table 2 Associations of TGFBR1*6A genotypes with clinical parameters

From: Association between TGFBR1*6A and osteosarcoma: A Chinese case-control study

Characteristics Total Cases (n = 168) TGFBR1*6A genotypes pvalue
   9A/9A (%) 9A/6A + 6A/6A (%)  
Gender     
   Male * 103 66 (64.08) 37 (35.92)  
   Female 65 41 (63.08) 24 (36.92) 0.99
Age     
   > 20 * 49 32 (65.31) 17 (34.69)  
   ≤ 20 119 75 (63.03) 44 (36.97) 0.86
Location     
   long tubular bones * 137 86 (62.77) 51 (37.23)  
   axial skeleton 31 21 (67.74) 10 (32.26) 0.13
Distant metastasis     
   Without * 140 85 (60.71) 55 (39.29)  
   With 28 22 (78.57) 6 (21.43) 0.001
  1. * were used as the reference.