Outcome of pyometra in female dogs and predictors of peritonitis and prolonged postoperative hospitalization in surgically treated cases

Table 7 Multivariable logistic regression model of associations between clinical signs, physical examination findings and laboratory data and the presence of peritonitis in bitches with pyometra (n = 158)

Variable^a		Estimated coefficient	Odds Ratio (95% confidence interval)	p-value
Polydipsia^b	Yes	-0.91 (±0.53)	0.40	0.084
Polydipsia^b	Yes	-0.91 (±0.53)	(0.14 - 1.13)	0.084
Body temperature	Fever/hypothermia	1.19 (±0.50)	3.30	0.017
Body temperature	Fever/hypothermia	1.19 (±0.50)	(1.23 - 8.82)	0.017
WBC	Leucopenia	2.90 (±1.20)	18.11	0.043
WBC	Leucopenia	2.90 (±1.20)	(1.74 - 188.92)	0.043
	Leucocytosis	-0.10 (±0.54)	0.90
			(0.32 - 2.56)

^aNormal = Within the reference range for healthy bitches and for laboratory variables at the main Clinical chemistry laboratory, University Animal Hospital, Swedish University for Agricultural Sciences, Sweden; WBC = White blood cell count (ref. range 5.8-16 ×10⁹/L); Body temperature (ref. range 38-39°C); ^bThe variable is not statistically significant (p > 0.05), but included as a confounder in the model.

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