Table 2.

Association of each variable with plate removal outcome

Parameter	Unit or referent	OR	95% CI	P-value
Continuous variables
Age	1 year	0.73	0.52–1.01	0.06
Body weight	kg	1.06	1.00–1.11	0.04
Surgical time	min	1.01	0.98–1.04	0.47
Anesthesia time	min	1.00	0.98–1.02	0.86
Categorical variables
Resident	ACVS	1.84	0.37–9.15	0.46
Propofol for induction	Other	0.63	0.15–2.58	0.52
Preoperative infectiona	None
Jig	None	0.49	0.10–2.41	0.38
Arthrotomy	None	0.40	0.08–1.98	0.26
Adhesive drape	None	0.50	0.13–1.91	0.31
Leg drape	None	0.50	0.13–1.91	0.31
Poliglecaprone 25	Staples	1.83	0.37–8.97	0.46
Postoperative antibiotics	None	1.71	0.42–6.98	0.45
Plate type	VOI	0.26	0.03–2.15	0.15

^aOdds ratio (OR) was not estimable because none of the dogs that had a plate removed had a preoperative infection.

CI — confidence interval; ACVS — American College of Veterinary Surgeons.