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. 2017 Sep 12;8:623. doi: 10.3389/fphar.2017.00623

Table 1.

Baseline characters of osteosarcoma patients.

AOS group (n = 44) Control group (n = 44) P-values
Age, years 24.8 ± 12.6 23.5 ± 12.9 0.26
Gender, male/female 26/18 25/19 0.83
Smoking, n (%) 18(40.9) 20(45.5) 0.67
Alcoholic intake, n (%) 16(36.4) 17(38.6) 0.83
Body mass index, kg/m2 25.3 ± 6.4 24.8 ± 7.1 0.18
OSTEOSARCOMA GRADES
G1, n (%) 8(18.2) 7(15.9) 0.78
G2, n (%) 9(20.5) 10(22.7) 0.80
G3, n (%) 19(43.2) 21(47.7) 0.67
G4, n (%) 8(18.2) 7(15.9) 0.78
Chemotherapy, n (%) 35(79.5) 33(75) 0.61
Resection length, cm 13.1 ± 5.7 12.8 ± 6.1 0.29
Stem diameter, cm 12.7 ± 3.2 11.8 ± 4.2 0.16
SITE
Femur, n (%) 31(70.5) 30(68.2) 0.82
Tibia, n (%) 12(27.3) 11(25) 0.81
Others, n (%) 4(9.1) 7(15.9) 0.33
HISTOLOGIC TYPE
Osteoblastic, n (%) 20(45.5) 18(40.9) 0.67
Chondroblastic, n (%) 14(31.8) 17(38.6) 0.51
Fribroblastic, n (%) 9(20.5) 8(18.2) 0.79
Others, n (%) 4(9.1) 5(11.4) 1.00
DIFFERENTIATION STATUS
High, n (%) 31(70.5) 33(75) 0.63
Low, n (%) 16(36.4) 15(34.1) 0.82
Pulmonary metastasis, n (%) 4(9.1) 5(11.4) 1.00