Table-4.

Association between type of knee injury or canine osteoarthritis severity and the presence of bacterial DNA in stifle joint samples.

Category	Negative for bacterial DNA		Positive for bacterial DNA
	n	(%)	n	(%)
Surgical procedure
Medial patellar luxation	5	33.33	10	66.67
Cranial cruciate ligament rupture	6	30.00	14	70.00
Total	11	31.43	24	68.57
Osteoarthritis score
Normal to minimal (0–1)	10	58.82	7	41.18
Moderate to severe (2–3)	1	5.56	17	94.44**
Total	17	48.57	18	51.43

^**p < 0.01 for test of association between osteoarthritis score and presence of bacterial DNA.