Prevalence and Progression of Gingivitis in Domestic Cats in Subtropical Mexico

Table 2

Frequency of the gingival indices and the age group of the 218 cats.

Age interval (years)	Total n	GI 0 n (%)	GI 1 n (%)	GI 2 n (%)	GI 3 n (%)
1-2	161	58 (36.1%)	97 (60.2%)	6 (3.7%)	0 (0%)
3-4	48	12 (25.0%)	32 (66.7%)	4 (8.3%)	0 (0%)
>5	9	2 (22.2%)	5 (55.6%)	1 (1.1%)	1 (1.1%)
Total	218	72 (33.0%)	134 (61.5%)	11 (5.0%)	1 (0.5%)

n = number of cats; GI = gingival index.