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

Table 2

Feline-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
Lifetime % of diet-dry food^1	72	73	.84
Lifetime % of diet-wet food^1	24	24	.84
Lifetime % of diet-table scraps^1	2.2	1.5	.45
Lifetime % of diet-moist (bag or pouch)^1	1.2	2.2	.48
Lifetime % of diet-hunting^1	.86	.72	.78
Dry food percent^2,3	.95	1.0	.10
Wet food percent^2,3	.54	.63	.24
Table scraps percent^2,3	.21	.25	.67
Moist food percent^2,3	.072	.053	.52
Hunted food percent^2,3	.47	.18	.08
Mature diet percent^2,3	.47	.42	.29
% of years outside^2,3	8.12	13	.14
Water available^2 (1 = sometimes, 2 = usually, 3 = always)	39	38	.74
Avg number of other cats contacted^2	1.6	1.8	.40

¹Asked of owner regarding the cat’s lifetime experience.
²Tabulated from the owner’s account of each year of the cat’s life.
³This percent of lifetime diet was calculated from the owner’s assessment of the cat’s diet during each year of its life.