The Effect of Risk Factors on the Levels of Chemical Elements in the Tibial Plateau of Patients with Osteoarthritis following Knee Surgery
Table 5
Spearman correlation coefficients between chemical elements contents and the concentration ratios in tibial plateau from patients who had undergone knee joint arthroplasty.
K
Zn
Sr
F−
Se
THg
Pb
Cd
Se/Pb
Se/Cd
Se/THg
Cd/Pb
Cd/Ca
F−/Ca ⋅ 1000
K
—
Zn
NS
—
Sr
NS
0.43xxx
—
F−
NS
0.36xx
NS
—
Se
NS
NS
NS
NS
—
THg
NS
NS
NS
NS
NS
—
Pb
NS
NS
NS
NS
NS
0.53xx
—
Cd
0.42xx
NS
NS
NS
NS
NS
0.47xxx
—
Se/Pb
NS
NS
NS
NS
0.47xxx
−0.31xx
−0.74xxx
−0.38xx
—
Se/Cd
−0.41xx
NS
NS
NS
0.34xxx
NS
−0.32xx
−0.90xxx
0.46xxx
—
Se/THg
NS
NS
NS
NS
NS
−0.37xx
−0.48xx
NS
NS
NS
—
Pb/Cd
NS
NS
NS
NS
−0.38xx
NS
NS
NS
NS
NS
NS
—
Cd/Ca
NS
−0.32xx
NS
NS
NS
NS
0.45xxx
0.97xxxx
NS
−0.88xxxx
NS
NS
—
F−/Ca ⋅ 1000
NS
NS
NS
0.96xxxx
NS
NS
NS
NS
NS
NS
NS
NS
NS
—
Significant level: ; ; ; NS: nonsignificant difference; F−/Ca ⋅ 1000: F− concentration in the inorganic portion of bone.
