BMC Musculoskeletal Disorders

Table 2 Correlation of pentosidine content with patient characteristics

From: Non-invasive skin autofluorescence, blood and urine assays of the advanced glycation end product (AGE) pentosidine as an indirect indicator of AGE content in human bone

		Pentosidine concentration								Skin AGE content
		Serum		Urine		Bone		Skin		Skin AGE content
		r	p	r	p	r	p	r	p	r	p
Patient Parameter	Age (total)	0.359	0.002	0.525	< 0.001	0.452	< 0.001	0.488	< 0.001	0.462	< 0.001
	male	0.202	0.245	0.430	0.020	0.475	0.001	0.415	0.011	0.482	0.006
	female	0.490	0.003	0.635	< 0.001	0.485	< 0.001	0.527	< 0.001	0.456	0.013
	< 50 years	−0.361	0.276	0.238	0.358	0.716	< 0.001	0.872	< 0.001	0.627	0.029
	> = 50 years	0.320	0.015	0.261	0.065	0.135	0.259	0.029	0.825	0.231	0.115
	BMI(total)	0.019	0.877	0.070	0.572	0.155	0.135	−0.067	0.551	−0.088	0.510
	male	0.037	0.837	0.260	0.173	0.059	0.705	−0.073	0.671	0.095	0.616
	female	−0.081	0.649	−0.107	0.518	0.234	0.095	0.096	0.527	−0.292	0.125
	< 50 years	−0.322	0.364	−0.196	0.451	0.196	0.371	−0.179	0.450	−0.164	0.631
	> = 50 years	0.037	0.782	0.023	0.874	0.110	0.357	−0.140	0.280	−0.102	0.489
	eGFR (total)	−0.394	0.001	−0.370	0.002	−0.358	< 0.001	−0.410	< 0.001	− 0.353	0.006
	male	−0.328	0.054	−0.314	0.098	−0.402	0.007	−0.356	0.031	−0.366	0.043
	female	−0.473	0.005	−0.441	0.005	−0.376	0.006	−0.409	0.004	−0.332	0.079
	< 50 years	0.237	0.483	−0.031	0.907	−0.592	0.002	−0.760	< 0.001	−0.832	0.001
	> = 50 years	−0.393	0.002	−0.097	0.499	−0.078	0.518	−0.069	0.593	−0.131	0.375

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