BMC Veterinary Research

Table 4 Correlation coefficients between thermography evaluation and clinical metrology instrument scores, on the initial evaluation and during the follow-up period. COI – Canine Orthopedic Index; PIS – Pain Interference Score; PSS – Pain Severity Score; QOL – Quality of Life; SI – Symmetry Index. ^a indicates a significant correlation

From: Evaluation of digital thermography imaging to assess and monitor treatment of police working dogs with naturally occurring hip osteoarthritis

Evaluation moment	Measure		Score
Evaluation moment	Measure		PSS	PIS	COI	Stiffness	Function	Gait	QOL
T0	Dorsoventral mean	r_s	−0.01	−0.03	−016	−0.21	−0.11	−0.22	−0.03
	Dorsoventral mean	Sig.	0.89	0.78	0.13	0.04^a	0.28	0.04^a	0.78
	Dorsoventral maximal	r_s	−0,02	−0.03	−0.14	− 0.17	−0.11	− 0.19	−0.01
	Dorsoventral maximal	Sig.	0.89	0.81	0.19	0.10	0.31	0.06	0.97
	Lateral mean	r_s	−0.04	−0.06	−0.12	− 0.10	−0.41	− 0.21	−0.02
	Lateral mean	Sig.	0.73	0.59	0.28	0.32	0.69	0.04^a	0.84
	Lateral maximal	r_s	−0.01	−0.01	−0.09	− 0.84	−0.07	− 0.17	0.03
	Lateral maximal	Sig.	0.99	0.98	0.36	0.42	0.48	0.09	0.81
Follow up period	Dorsoventral mean	r_s	−0.04	−0.04	−0.06	− 0.05	−0.04	− 0.06	−0.07
	Dorsoventral mean	Sig.	0.42	0.36	0.25	0.32	0.38	0.23	0.16
	Dorsoventral maximal	r_s	0.06	−0.01	−0.01	0.02	0.01	−0.06	−0.01
	Dorsoventral maximal	Sig.	0.23	0.91	0.77	0.70	0.91	0.22	0.97
	Lateral mean	r_s	−0.10	−0.01	0.04	0.03	0.06	0.01	0.08
	Lateral mean	Sig.	0.03^a	0.82	0.37	0.59	0.22	0.79	0.08
	Lateral maximal	r_s	−0.25	−0.06	−0.01	−0.01	− 0.01	−0.1	0.3
	Lateral maximal	Sig.	< 0.01^a	0.22	0.94	0.86	0.79	0.79	0.5

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