Mass fractions combinations

Intact bone M₁

Osteogenic sarcoma M₂

Ratio M₂/M₁

Student’s t-test

Rb/Co

368 ± 61

74 ± 16

0.20

p ≤ 0.000597

(Rb/Fe) × 10⁴

1442 ± 394

118 ± 21

0.082

p ≤ 0.00730

Rb/Se

266 ± 39

23.9 ± 6.8

0.090

p ≤ 0.000139

(Rb/Zn) × 10⁴

425 ± 54

124 ± 15

0.29

p ≤ 0.000181

(Co × Zn) × 10²

88 ± 13

870 ± 140

9.89

p ≤ 0.00000755

Fe × Zn

4013 ± 709

45782 ± 6452

11.4

p ≤ 0.00000072

(Sb × Zn) × 10²

140 ± 31

740 ± 212

5.29

p ≤ 0.00939

(Se × Zn) × 10

163 ± 28

3393 ± 432

20.8

p ≤ 0.000000061

(Co × Se) × 10⁵

301 ± 112

10256 ± 1840

34.1

p ≤ 0.0000115

Fe × Se

13.7 ± 5.9

530 ± 97

38.7

p ≤ 0.0000149