Table 2.

Number and percentage of cats (seen urinating by their owners) with the signs used to define the outcome of owner-reported lower urinary tract signs (LUTS) in cats enrolled in the Bristol Cats Study at 18 months, 30 months and 48 months

Owner-reported LUTS	18 months	30 months	48 months
Straining only	1 (0.1)	1 (0.2)	1 (0.5)
Blood only	7 (0.7)	1 (0.2)	0 (0)
Vocalising only	27 (2.6)	15 (2.7)	7 (3.8)
Vocalising and straining	1 (0.1)	0 (0)	1 (0.5)
Vocalising and blood	0 (0)	0 (0)	0 (0)
Straining and blood	1 (0.1)	2 (0.4)	0 (0)
Vocalising, straining and blood	7 (0.7)	2 (0.4)	2 (1.1)
No LUTS	986 (95.7)	536 (96.2)	171 (94.0)
Total number of cats seen urinating	1030	557	182

Data are n (%)