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. 2021 Jun 3;16(6):e0252576. doi: 10.1371/journal.pone.0252576

Table 1. Clinical characteristics of patients with COPD tested for COVID-19.

COVID negative COVID positive p
N 26522 1288
Demographics
Male Sex (%) 10947 (41.3) 499 (38.8) 0.079
Race (%) <0.001
 Black 5074 (19.3) 455 (35.8)
 Other 526 (2.0) 45 (3.5)
 White 19689 (75.1) 690 (54.3)
 Hispanic 935 (3.6) 81 (6.4)
Age (in years) (mean (SD)) 64.8 (13.9) 63.7 (15.2) 0.007
BMI (mean (SD)) 30.4 (8.2) 32.0 (8.7) <0.001
Smoking status <0.001
 Current 4625 (18.0) 115 (9.2)
 Former 20917 (81.0) 1126 (89.2)
 Never 104 (0.4) 5 (0.4)
Comorbidities (%)
 Asthma 6957 (26.2) 379 (29.4) 0.012
 Congestive heart failure 6571 (24.8) 328 (25.5) 0.598
 Hypertension 19997 (75.4) 971 (75.4) 1
 Diabetes 14429 (54.4) 723 (56.1) 0.235
 Obesity 11974 (45.3) 676 (52.7) <0.001
Medications (%)
 Short acting beta agonist 22460 (84.7) 1104 (85.7) 0.335
 ICS alone 847 (3.4) 69 (5.4) <0.001
 LABA/ICS 7555 (28.5) 344 (26.7) 0.18
 LAMA 4871 (18.4) 190 (14.8) 0.001
 LAMA/LABA 1584 (6.0) 63 (4.9) 0.122
 LABA 1114 (4.2) 48 (3.7) 0.448
 ICS/LAMA/LABA 4061 (15.3) 155 (12.0) 0.002
 Inhaled corticosteroid containing inhaler 12511 (47.2) 568 (44.1) 0.033
 Oral corticosteroids 20736 (78.2) 988 (76.7) 0.224
 Beta blocker 17851 (67.3) 809 (62.8) 0.001
 ACE Inhibitor 12422 (46.8) 609 (47.3) 0.776
 ARB 7533 (28.4) 387 (30.0) 0.213

Data are presented as n (%) for categorical variables and mean [SD] for continuous variables. ICS = Inhaled corticosteroid, SABA = short acting beta agonist, SAMA = short acting muscarinic antagonist, LAMA = long acting muscarinic antagonist, LABA = long acting beta agonist. SAMA/SABA combination also included usage of nebulizer therapy. Inhaled corticosteroid containing inhaler represents any inhaler an ICS component, which include ICS, ICS/LABA, and ICS/LAMA/LABA combinations. Oral corticosteroids represent at least one course of steroids within the past year (prior to registry enrollment).