Reliability of an injury scoring system for horses

Table 2 Kappa values for inter-observer agreement (left side) and agreement with 'golden standard' (right side) given per injury category and overall

	Agreement between observers			Agreement all observers versus golden standard
Category	Kappa value	SE	P (vs > 0)	Kappa value	SE	P (vs > 0)
1	0.80	0.005	<0.0001	0.88	0.024	<0.0001
2	0.54	0.005	<0.0001	0.54	0.024	<0.0001
3	0.49	0.005	<0.0001	0.52	0.024	<0.0001
4	0.38	0.005	<0.0001	0.53	0.024	<0.0001
5	0.73	0.005	<0.0001	0.82	0.024	<0.0001
Overall	0.59	0.003	<0.0001	0.66	0.012	<0.0001

Standard error and significance (kappa different from 0 which refers to what is found by chance) are given.

ISSN: 1751-0147