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Table 2 Baseline characteristics

From: Effectiveness of one-on-one coaching in improving pressurized metered dose inhaler (pMDI) technique among COPD patients: a prospective clinical study

  Entire sample (n = 101) Patients with followup (n = 62)
Age (years) 63.77 ± 7.17 64.24 ± 7.64
Number of inhalers 2.59 ± 0.59 2.52 ± 0.57
FEV1 (L) 1.29 ± 0.56 (n = 94) 1.28 ± 0.53 (n = 18)
FEV1% expected 50.85 ± 19.24 (n = 96) 51.83 ± 18.77 (n = 18)
CAT score 23.09 ± 7.84 (n = 95) 23.71 ± 7.45 (n = 59)
Number of errors 3.17 ± 1.57 3.11 ± 1.54
Years of inhaler use 8.67 ± 10.41 8.95 ± 10.8
Follow-up interval (months) NA 4.69 ± 2.6
FEV1/ FVC 49.12 ± 12.52 (n = 81)  
Male sex 40 (40%) 23 (37%)
Active smoking 34 (34%) 19 (31%)
LABA 81 (80%) 51 (82%)
LAMA 84 (83%) 51 (82%)
ICS 68 (67%) 40 (65%)
SABA 92 (91%) 57 (92%)
SAMA 6 (6%) 4 (6%)
Montelukast 2 (2%) 2 (3%)
Theophylline 1 (1%) 0 (0%)
Race
Asian 3 (3%) 0 (0%)
Black 55 (54%) 34 (55%)
White 38 (38%) 26 (42%)
Other 5 (5%) 2 (3%)
RCS Score Entire sample (n = 62)
Normal 28 (45%)
Mild Impairment 19 (31%)
Dementia 13 (21%)
Unknown 2 (3%)
  1. FEV1 forced expiratory volume in one second, CAT score COPD assessment test score, LABA long-acting beta agonist