Table 1.
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 |