Table 1.

Age, gender, and body weight of cats with urethral obstruction

Cause of obstruction	Age range (mean) [years]	Gender [n]		Body weight range (mean) [kg]
		Male neutered	Male intact
Idiopathic UO (n=24)	1–15 (5)	21	3	3.0–10.6 (5.8)
Uroliths (n=13)	3–15 (7)	12	1	3.9–7.0 (5.3)
Urethral plugs (n=8)	2–11 (4)	6	2	4.5–7.2 (5.7)
Total (n=45)	1–15 (5)	39	6	3–10.6 (5.7)

UO=urethral obstruction.