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. 2018 Oct 27;8(10):e022051. doi: 10.1136/bmjopen-2018-022051

Table 1.

Patient characteristics in matched analysis

Variable Patients with asthma Patients with COPD
BF Spiromax
(n=253)
BF Turbuhaler
(n=743)
P value SMD (%) BF Spiromax
(n=132)
BF Turbuhaler
(n=348)
P value SMD (%)
Mean (SD) age, years 55.9 (15.3) 55.8 (15.1) 0.9101 0.7 70.5 (8.8) 70.5 (8.5) 0.9512 0.2
Men, n (%) 112 (44.3) 331 (44.5) 0.9382 0.6 66 (50.0) 184 (52.9) 0.5736 5.7
Body mass index*, n (%) 0.4038 12.1 0.6977 7.4
 <18.5 kg/m2 3 (1.3) 9 (1.2) 6 (4.7) 11 (3.2)
 18.5 to<25 kg/m2 65 (27.2) 163 (22.5) 46 (35.7) 112 (32.4)
 25 to<30 kg/m2 88 (36.8) 265 (36.5) 39 (30.2) 120 (34.7)
 >30 kg/m2 83 (34.7) 289 (39.8) 38 (29.5) 103 (29.8)
Smoking status, n (%) 0.7393 5.2 0.5696 10.8
 Non-smoker 126 (50.8) 397 (53.6) 14 (10.6) 48 (13.9)
 Current smoker 44 (17.7) 123 (16.6) 36 (27.3) 98 (28.3)
 Ex-smoker 78 (31.5) 220 (29.7) 82 (62.1) 200 (57.8)
Cardiovascular disease, n (%)
 Ischaemic heart disease 13 (5.1) 62 (8.3) 0.0951 12.8 22 (16.7) 78 (22.4) 0.1662 14.5
 Heart failure 1 (0.4) 8 (1.1) 0.3225 8.0 4 (3.0) 23 (6.6) 0.1286 16.7
Exacerbations, n (%) 0.9869 3.6 0.7809 12.9
 0 199 (78.7) 593 (79.8) 54 (40.9) 156 (44.8)
 1 42 (16.6) 120 (16.2) 38 (28.8) 106 (30.5)
 2 7 (2.8) 18 (2.4) 15 (11.4) 35 (10.1)
 3 4 (1.6) 9 (1.2) 13 (9.8) 28 (8.0)
 ≥4 1 (0.4) 3 (0.4) 12 (9.1) 23 (6.6)
No. of respiratory-related hospital admissions, n (%) 1.0000 0 0.1460 2.8
 0 253 (100.0) 743 (100.0) 129 (97.7) 338 (97.1)
 1 0 0 1 (0.8) 9 (2.6)
 ≥2 0 0 2 (1.5) 1 (0.3)
Uncontrolled risk domain control, n (%) 70 (27.7) 194 (26.1) 0.6278 3.5 78 (59.1) 192 (55.2) 0.4397 7.9
No. of antibiotic courses, n (%) 0.8362 5.5 0.9478 6.4
 0 212 (83.8) 630 (84.8) 74 (56.1) 198 (56.9)
 1 34 (13.4) 99 (13.3) 37 (28.0) 104 (29.9)
 2 5 (2.0) 12 (1.6) 11 (8.3) 26 (7.5)
 3 1 (0.4) 1 (0.1) 4 (3.0) 8 (2.3)
 ≥4 1 (0.4) 1 (0.1) 6 (4.5) 12 (3.4)
No. of acute OCS courses, n (%) 0.9869 3.6 0.6813 14.4
 0 199 (78.7) 593 (79.8) 79 (59.8) 225 (64.7)
 1 42 (16.6) 120 (16.2) 28 (21.2) 74 (21.3)
 2 7 (2.8) 18 (2.4) 9 (6.8) 20 (5.7)
 3 4 (1.6) 9 (1.2) 7 (5.3) 15 (4.3)
 ≥4 1 (0.4) 3 (0.4) 9 (6.8) 14 (4.0)
Average daily SABA dose, n (%) 0.4055 4.9 0.3524 8.4
 0 µg /day 64 (25.3) 224 (30.1) 23 (17.4) 65 (18.7)
 >0 µg/day to ≤200 µg/day 70 (27.7) 196 (26.4) 22 (16.7) 66 (19.0)
 >200 µg/day to ≤400 µg/day 56 (22.1) 139 (18.7) 32 (24.2) 78 (22.4)
 >400 µg/day to ≤600 µg/day 25 (9.9) 59 (7.9) 5 (3.8) 29 (8.3)
 >600 µg/day 38 (15.0) 125 (16.8) 50 (37.9) 110 (31.6)

*Some missing data for this parameter: n=239 for asthma on BF Spiromax, n=726 for asthma on BF Turbuhaler; n=129 for COPD on BF Spiromax, n=346 for COPD on BF Turbuhaler.

Some missing data for this parameter: n=248 for asthma on BF Spiromax, n=740 for asthma on BF Turbuhaler, n=346 for COPD on BF Turbuhaler.

BF, budesonide/formoterol; COPD, chronic obstructive pulmonary disease; OCS, oral corticosteroids; SABA, short-acting β2-agonist; SMD, standardised mean difference.