Table 3.

Comparison of the detection of bacterial pathogens by bacterial culture by PCR in 61 upper respiratory samples.

Test results	A. paragallinarum	ORT
Total positive	36	8
C(+) P(+)	6	1
C(+) P(−)	0	5
C(−) P(+)	30	2
C(−) P(−)	25	53
Total C(+)	6	6
Total P(+)	36	3
Kappa (P-value)	0.141 (P = 0.016)	0.167 (P = 0.081)
Level of agreement	Slight	Slight

Abbreviations: C, culture; ORT, Ornithobacterium rhinotracheale; P, PCR.