Table 1. Clinical 12-point score in cats with FLAD.

Clinical parameter	Clinical 12-point score
Coughing frequency	0 = absent
	1 = occasional cough (less than once per month)
	2 = infrequent cough (at least once per month)
	3 = frequent cough (at least once per week, at least one day)
	4 = intensive cough (at least every 1–2 days)
	5 = very intensive cough (several times per day)
Frequency of respiratory distress	0 = no respiratory distress
	1 = respiratory distress only after excitement or stress
	2 = moderate respiratory distress (breathing difficulty observed more than once at home at rest)
	3 = severe respiratory distress (permanently present at rest)
Thoracic auscultation	0 = no abnormal sounds
	1 = increased respiratory sounds
	2 = abnormal sounds such as crackling or wheezing
General condition and appetite	0 = normal general condition and appetite
	1 = lethargic/hyporexic
	2 = unresponsive/anorexic
Total clinical score	= Addition of all four scores