Case-Control Study of Risk Factors Associated with Feline and Canine Chronic Kidney Disease

Table 6

Canine-analysis of continuous variables regarding observations before the diagnosis of CKD in the case, analyzed by matched $t$-test.

Lifetime description of diet before diagnosis of CKD in the case	Case mean	Control mean	Paired $P$ value
Age in years	9.9	10	.061
Lifetime % of diet-dry food	75	82	.042
Lifetime % of diet-wet food	14	8.4	.047
Lifetime % of diet-table scraps	10	9.2	.74
Lifetime % of diet-moist (bag or pouch)	1.7	.76	.22
Food for all ages (last 2 yrs of life)^1	51	49	.66
Mature diet (last 2 yrs of life)^1	24	26	.57
Diet for overweight (last 2 yrs of life)^1	6.8	6.3	.85
Weight in kg^1	20	28	.00

¹Percent of diet of this type during the last 2 years of life.