Table 4.

Logistic regression analysis (backward) of multivariables, including commercial dry food, male cats, filter water, tap water, freely outdoor and freely indoor in age-matched cats with chronic kidney disease at the Small Animal Hospital, Faculty of Veterinary Science, Chulalongkorn University, and at veterinary hospitals in the Bangkok Metropolitan area, Thailand, between 2004 and 2014

Variable	Coefficient	SE	P value	OR	95% CI
Commercial dry food	−3.17	0.70	0.00	0.042 *	0.01–0.17

^*P <0.01 when compared between the clinically normal age-matched cats and the CKD cats

OR = odds ratio; CI = confidence interval