Lower CAT score (CAT score<18) N(%) Higher CAT score (CAT score ≥18) N (%) P value SAB 2 (9.1) 1 (4.2) 0.7 LAB 14 (63.6) 13 (54.2) 0.6 Combination 4 (18.2) 10 (41.7) 0.4 Corticosteroid plus LAB 2 (9.1) 0 - Total 22 24

CAT: COPD association test. SAB: Short-acting bronchodilatator. LAB: Long-acting bronchodilatator (long-acting b2-agonists or long-acting muscarinic antagonist). Combination: Corticosteroid plus long acting bronchodilatator in combi inhalers. Corticosteroid plus LAB: Corticosteroid plus long acting bronchodilatator in saperate inhalers.

Table 6: The comparison of patients with lower CAT score and higher CAT score according to preferences of patients.