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. 2021 Mar 2:1–14. doi: 10.1080/02770903.2020.1857396

Table 1.

Clinical characteristics of COVID-19 patients with and without asthma.

Characteristic Asthma (n = 562) No asthmaa (n = 2686) p-value
Age (mean, SD, years) 51 (17) 51 (17)  
 26–35 79 (14) 388 (14)  
 36–45 115 (20) 564 (21)  
 46–55 127 (23) 608 (23)  
 56–65 126 (22) 598 (22)  
 66–75 69 (12) 322 (12)  
 76–85 32 (6) 139 (5)  
 86–95 12 (2) 57 (2)  
 >95 2 (<1) 10 (< 1)  
Sex, female 404 (72) 1933 (72)  
Race     0.003
 White 303 (54) 1247 (46)  
 Black 95 (17) 475 (18)  
 Asian 10 (2) 100 (4)  
 Other 154 (27) 864 (32)  
Ethnicity     <0.001
 Hispanic 176 (31) 856 (32)  
 Non-Hispanic 368 (65) 1595 (59)  
 Unknown 18 (3) 235 (9)  
Payor     <0.001
 Private 343 (61) 1584 (59)  
 Public 213 (38) 937 (35)  
 Other 6 (1) 165 (6)  
Body mass index (mean, SD, kg/m2) 31.8 (7.2) 29.8 (6.4) <0.001
 <18.5 8 (1) 681 (25)  
 18.5–24.9 77 (14) 459 (17)  
 25–29.9 157 (28) 659 (25)  
 30–34.9 160 (28) 503 (19)  
 35–39.9 96 (17) 249 (9)  
 ≥40 64 (11) 135 (5)  
Smoking status     <0.001
 Never 385 (69) 1621 (60)  
 Former 141 (25) 432 (16)  
 Current 30 (5) 101 (4)  
 Unknown 6 (1) 532 (20)  
Diabetes 99 (18) 222 (8) <0.001
Hypertension 36 (6) 71 (3) <0.001
Congestive heart failure 13 (2) 30 (1) 0.02
Severe renal disease 7 (1) 23 (<1) 0.38
Sickle cell disease 3 (<1) 5 (<1) 0.15
Charlson comorbidity indexb 2.1 (2.5) 1.0 (2.1) <0.001

COVID-19, coronavirus disease 2019; SD, standard deviation.

Data are represented by mean ± standard deviation or number (percentage) unless otherwise indicated. Text in boldface indicates statistical significance, p < 0.05.

a

Age, sex, and date of SARS-CoV-2 diagnosis matched comparators.

b

See eTables 1 and 3 for ICD-10-CM codes and scoring system.