Table 2.

Spearman correlation of the mercury content with clinical factors (N = 95)

	Femoral head		Femoral neck
Clinical factors	R	p value	R	p value
Age	−0.03	0.75	0.04	0.73
Body weight	0.21*	0.04*	0.24*	0.02*
Height	0.15	0.16	0.01	0.89
BMIa	0.18	0.08	0.28*	0.01*
NRSb	0.00	1.00	0.11	0.30
Kellgren–Lawrencec	0.07	0.50	−0.04	0.67
Width of cortical bone	0.13	0.21	0.13	0.19
Width of the bone	0.24*	0.02*	0.29*	0.01*
Cortical index	−0.06	0.54	−0.08	0.43

*Statistically significant

^aCalculation by formula BMI = Weight / (Height / 100)² [kg/m²]

^bNumerical Rating Scale

^cKellgren & Lawrence (1957)