Table 2.

Characteristics of cats in the study

Parameters	Trial 1	Trial 2
Breed	Domestic * (8), Siamese (2), Persian (2), Burmese (1), Chartreux (1)	Domestic * (42), Siamese (3), British shorthair (2), Maine Coon (2), Manx cross (2)
Sex	Male (1), female (1)	Neutered male (36)
	Neutered male (6)	Neutered female (15)
	Neutered female (7)
Age	3 years (9 month—10 years)	8 years (9 months—16 years)
Toileting habits	Litter tray exclusively (13)	Not available
	Litter tray and outdoors (2)
Duration of signs	8 months (3–60 months)	18 months (24 h—60 months)
Weight
T0	3.9 kg (3.1–5.4 kg)	6.3 (3.0–10.8 kg)
T1	4.0 kg (3.1–5.2 kg)	—
T2	4.1 kg (3.3–5.4 kg)	6.7 (3.2–9.2 kg)

Numerical data are expressed as median (range).

^*Domestic = domestic shorthair, medium hair or longhair cats.