Table 4.

Correlation of age, joint extension and presence of caudolateral curvilinear osteophyte (CCO) on a ventrodorsal view with different Clinical Metrology Instruments

Measure		Score
		PSS	PIS	LOAD	COI	Stiffness	Function	Gait	QOL
Age	rs	0,56	-0,32	0,5	0,48	0,43	0,59	0,38	0,40
	Sig.	0,10	< 0,01*	< 0,01*	< 0,01*	< 0,01*	< 0,01*	< 0,01*	< 0,01*
Joint extension	rs	0,33	0,41	0,44	0,5	0,48	0,49	0,44	0,40
	Sig.	< 0,01*	< 0,01*	< 0,01*	< 0,01*	< 0,01*	< 0,01*	< 0,01*	< 0,01*
CCO	rs	-0,45	-0,35	0,42	0,33	-0,37	0,07	-0,36	-0,31
	Sig.	< 0,01*	< 0,01*	0,23	0,56	< 0,01*	0,12	< 0,01*	< 0,01*

Legend: PIS Pain Interference Score, PSS Pain Severity Score, LOAD Liverpool Osteoarthritis in Dogs, COI Canine Orthopedic Index, QOL Quality of Life. * indicates significant difference