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. 2020 Feb 10;21:47. doi: 10.1186/s12931-020-1307-4

Table 1.

Baseline demographics and disease characteristics (all randomised analysis set)

Ensifentrine Placebo (N = 80)
0.75 mg (N = 82) 1.5 mg (N = 81) 3 mg (N = 82) 6 mg (N = 80)
Age, years 63.6 (7.05) 63.4 (6.40) 62.5 (6.51) 62.9 (6.73) 63.5 (6.44)
Sex, n (%)
 Male 56 (68) 46 (57) 45 (55) 48 (60) 50 (63)
 Female 26 (32) 35 (43) 37 (45) 32 (40) 30 (38)
Race, n (%)
 White 82 (100) 81 (100) 82 (100) 80 (100) 80 (100)
Post-bronchodilator FEV1
 L 1.67 (0.464) 1.60 (0.466) 1.62 (0.441) 1.63 (0.474) 1.69 (0.493)
 % predicted 56.0 (10.34) 56.0 (9.83) 55.6 (10.18) 55.3 (9.47) 56.0 (9.89)
FEV1 reversibility, % 10.4 (10.13) 11.0 (12.32) 12.9 (13.53) 12.3 (11.14) 11.7 (10.60)
Smoking status, n (%)
 Current 50 (61) 40 (49) 47 (57) 42 (53) 43 (54)
 Ex 32 (39) 41 (51) 35 (43) 38 (48) 37 (46)
Smoking history, pack-years 44.7 (21.27) 43.7 (21.98) 41.8 (19.05) 37.3 (16.75) 43.3 (20.21)
Chronic bronchitis, n (%) 48 (59) 43 (53) 56 (68) 58 (73) 46 (58)
SGRQ-C 49.9 (17.36) 43.4 (17.06) 42.1 (18.78) 44.1 (15.02) 42.3 (17.07)
BDI 5.9 (1.44) 6.4 (1.81) 6.4 (1.43) 6.4 (1.16) 6.4 (1.38)
MRC 2.8 (0.82) 2.5 (0.79) 2.5 (0.79) 2.6 (0.73) 2.5 (0.75)
MRC score, n (%)
  < 2 4 (5) 8 (10) 6 (7) 4 (5) 4 (5)
  ≥ 2 78 (95) 73 (90) 76 (93) 76 (95) 76 (95)
Rescue medication, puffs per daya 1.5 (1.80) 1.5 (1.84) 1.9 (2.14) 1.9 (2.13) 1.5 (1.88)
E-RS:COPD™b 13.6 (6.77) 12.3 (6.05) 12.0 (6.03) 12.2 (6.29) 11.5 (6.23)
Concomitant ICS use, n (%) 33 (40) 36 (44) 29 (35) 32 (40) 28 (35)

Data are mean (standard deviation) unless specified otherwise

aAvailable baseline data from 81, 81, 82, 80 and 79 patients, respectively

bAvailable baseline data from 75, 75, 77, 77 and 77, respectively

Abbreviations: FEV1 forced expiratory volume in 1 s, SGRQ-C St George’s Respiratory Questionnaire – COPD Specific, BDI Baseline Dyspnoea Index, MRC Medical Research Council dyspnoea scale, E-RS:COPD™ Evaluating Respiratory Symptoms in COPD questionnaire, COPD chronic obstructive pulmonary disease, ICS inhaled corticosteroid