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. 2017 Feb 21;12:677–689. doi: 10.2147/COPD.S123896

Table 2.

Current treatment (≥1.5% of the entire study population) by CAT score domain in all and individual regions

Entire study population
5EU
Overall
0–9
10–19
20–29
30–40
Overall
0–9
10–19
20–29
30–40
(N=2,166, 100%) (n=207, 9.6%) (n=609, 28.1%) (n=988, 45.6%) (n=362, 16.7%) (N=1,242, 100%) (n=138, 11.1%) (n=405, 32.6%) (n=512, 41.2%) (n=187, 15.1%)
Current treatment, n (%)
 Missing, n 6 2 1 2 1 2 1 0 1 0
 Short-acting therapy
  SABA, SAMA, SABA/SAMA alonea 128 (5.9) 33 (16.1) 35 (5.8) 50 (5.1) 10 (2.8) 68 (5.5) 19 (13.9) 21 (5.2) 23 (4.5) 5 (2.7)
 Maintenance therapies
  Bronchodilator monotherapy
   LAMA alone 313 (14.5) 59 (28.8) 141 (23.2) 96 (9.7) 17 (4.7) 236 (19.0) 45 (32.9) 112 (27.7) 69 (13.5) 10 (5.4)
   LABA alone 83 (3.8) 16 (7.8) 27 (4.4) 33 (3.4) 7 (1.9) 73 (5.9) 16 (11.7) 26 (6.4) 25 (4.9) 6 (3.2)
  Bronchodilator dual therapy
   LAMA+LABA 129 (6.0) 16 (7.8) 39 (6.4) 58 (5.9) 16 (4.4) 123 (9.9) 15 (11.0) 38 (9.4) 55 (10.8) 15 (8.0)
  Triple therapyb
   LAMA+ICS/LABA 525 (24.3) 31 (15.1) 130 (21.4) 243 (24.7) 121 (33.5) 385 (31.1) 18 (13.1) 92 (22.7) 181 (35.4) 94 (50.3)
   LAMA+LABA+ICS 32 (1.5) 2 (1.0) 11 (1.8) 12 (1.2) 7 (1.9) 27 (2.2) 2 (1.5) 9 (2.2) 11 (2.2) 5 (2.7)
  ICS-based therapies not including dual LAMA+LA BA component
   ICS alone 39 (1.8) 4 (2.0) 12 (2.0) 14 (1.4) 9 (2.5) 21 (1.7) 2 (1.5) 9 (2.2) 8 (1.6) 2 (1.1)
   ICS/LABA alone 432 (20.0) 35 (17.1) 109 (17.9) 214 (21.7) 74 (20.5) 194 (15.7) 15 (11.0) 67 (16.5) 86 (16.8) 26 (13.9)
   ICS+LAMA 27 (1.3) 2 (1.0) 9 (1.5) 8 (0.8) 8 (2.2) 17 (1.4) 1 (0.7) 6 (1.5) 4 (0.8) 6 (3.2)
   ICS+LABA 20 (0.9) 1 (0.5) 2 (0.3) 8 (0.8) 9 (2.5) 10 (0.8) 1 (0.7) 2 (0.5) 3 (0.6) 4 (2.1)
   ICS/LABA+LTRA 58 (2.7) 0 17 (2.8) 32 (3.3) 9 (2.5) 3 (0.2) 0 1 (0.3) 2 (0.4) 0
   ICS/LABA+xanthines 112 (5.2) 2 (1.0) 11 (1.8) 76 (7.7) 23 (6.4) 9 (0.7) 1 (0.7) 1 (0.3) 6 (1.2) 1 (0.5)
   ICS+xanthines 30 (1.4) 0 5 (0.8) 22 (2.2) 3 (0.8) 1 (0.1) 0 1 (0.3) 0 0
  Other maintenance therapies
   Xanthines alone 61 (2.8) 0 16 (2.6) 34 (3.5) 11 (3.1) 4 (0.3) 0 0 4 (0.8) 0
   Other 171 (7.9) 4 (2.0) 44 (7.2) 86 (8.7) 37 (10.2) 69 (5.6) 2 (1.5) 20 (4.9) 34 (6.7) 13 (7.0)

USA
China
Overall
0–9
10–19
20–29
30–40
Overall
0–9
10–19
20–29
30–40
(N=413, 100%) (n=60, 14.5%) (n=116, 28.1%) (n=172, 41.6%) (n=65, 15.7%) (N=511, 100%) (n=9, 1.8%) (n=88, 17.2%) (n=304, 59.5%) (n=110, 21.5%)

Current treatment, n (%)
 Missing, n 3 1 1 1 0 1 0 0 0 1
 Short-acting therapy
  SABA, SAMA, SABA/SAMA alonea 41 (10.0) 13 (22.0) 9 (7.8) 18 (10.5) 1 (1.5) 19 (3.7) 1 (11.1) 5 (5.7) 9 (3.0) 4 (3.7)
 Maintenance therapies
  Bronchodilator monotherapy
   LAMA alone 73 (17.8) 14 (23.7) 29 (25.2) 24 (14.0) 6 (9.2) 4 (0.8) 0 0 3 (1.0) 1 (0.9)
   LABA alone 5 (1.2) 0 1 (0.9) 4 (2.3) 0 5 (1.0) 0 0 4 (1.3) 1 (0.9)
  Bronchodilator dual therapy
   LAMA+LABA 5 (1.2) 1 (1.7) 1 (0.9) 2 (1.2) 1 (1.5) 1 (0.2) 0 0 1 (0.3) 0
  Triple therapyb
   LAMA+ICS/LABA 132 (32.2) 13 (22.0) 37 (32.2) 60 (35.1) 22 (33.9) 8 (1.6) 0 1 (1.1) 2 (0.7) 5 (4.6)
   LAMA+LABA+ICS 5 (1.2) 0 2 (1.7) 1 (0.6) 2 (3.1) 0 0 0 0 0
  ICS-based therapies not including dual LAMA+LA BA component
   ICS alone 7 (1.7) 1 (1.7) 1 (0.9) 2 (1.2) 3 (4.6) 11 (2.2) 1 (11.1) 2 (2.3) 4 (1.3) 4 (3.7)
   ICS/LABA alone 106 (25.9) 15 (25.4) 27 (23.5) 45 (26.3) 19 (29.2) 132 (25.9) 5 (55.6) 15 (17.0) 83 (27.3) 29 (26.6)
   ICS+LAMA 10 (2.4) 1 (1.7) 3 (2.6) 4 (2.3) 2 (3.1) 0 0 0 0 0
   ICS+LABA 6 (1.5) 0 0 4 (2.3) 2 (3.1) 4 (0.8) 0 0 1 (0.3) 3 (2.8)
   ICS/LABA+LTRA 1 (0.2) 0 1 (0.9) 0 0 54 (10.6) 0 15 (17.1) 30 (9.9) 9 (8.3)
   ICS/LABA+xanthines 0 0 0 0 0 103 (20.2) 1 (11.1) 10 (11.4) 70 (23.0) 22 (20.2)
   ICS+xanthines 1 (0.2) 0 0 1 (0.6) 0 28 (5.5) 0 4 (4.6) 21 (6.9) 3 (2.8)
  Other maintenance therapies
   Xanthines alone 0 0 0 0 0 57 (11.2) 0 16 (18.2) 30 (9.9) 11 (10.1)
   Other 18 (4.4) 1 (1.7) 4 (3.5) 6 (3.5) 7 (10.8) 84 (16.5) 1 (11.1) 20 (22.7) 46 (15.1) 17 (15.6)

Notes:

a

Either maintenance or rescue medication;

b

triple therapy defined as a single LABA, a single LAMA and a single ICS therapy only.

Abbreviations: 5EU, France, Germany, Italy, Spain and the UK; CAT, COPD Assessment Test; COPD, chronic obstructive pulmonary disease; ICS, inhaled corticosteroid; LABA, long-acting β2-agonist; LAMA, long-acting muscarinic antagonist; LTRA, leukotriene receptor antagonist; SABA, short-acting β2-agonist; SAMA, short-acting muscarinic antagonist.