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. 2020 Jul 23;15(7):e0236240. doi: 10.1371/journal.pone.0236240

Table 1. Demographic and clinical characteristics of all patients with Covid-19.

Total Covid-19 Illness Severity P value*
Not Admitted Admitted, Non-ICU ICU, Non-intubated ICU, intubated
N 442 228 137 25 52
Age, years, mean ± sd 52.72 (19.65) 43.16 (15.49) 61.66 (19.54) 64.24 (18.81) 65.56 (15.16) <0.001
Male sex, n (%) 256 (57.9) 121 (53.1) 78 (56.9) 16 (64.0) 41 (78.8) 0.007
Smoker, n (%) 16 (5.5) 13 (8.5) 3 (3.2) 0 (0.0) 0 (0.0) 0.104
Ethnicity, n (%) 0.012
 Non-Hispanic 341 (77.1) 167 (73.2) 112 (81.8) 21 (84.0) 41 (78.8)
 Hispanic 68 (15.4) 33 (14.5) 22 (16.1) 4 (16.0) 9 (17.3)
Race, n (%) <0.001
 White 283 (64.0) 136 (59.6) 99 (72.3) 17 (68.0) 31 (59.6)
 African American 58 (13.1) 19 (8.3) 21 (15.3) 4 (16.0) 14 (26.9)
 Asian 35 (7.9) 25 (11.0) 7 (5.1) 3 (12.0) 0 (0.0)
 Other 37 (8.4) 23 (10.1) 8 (5.8) 1 (4.0) 5 (9.6)
Obesity, n (%) 71 (16.1) 27 (11.8) 27 (19.7) 4 (16.0) 13 (25.0) 0.059
Hypertension, n (%) 161 (36.4) 44 (19.3) 68 (49.6) 20 (80.0) 29 (55.8) <0.001
Diabetes mellitus, n (%) 84 (19.0) 18 (7.9) 40 (29.2) 10 (40.0) 16 (30.8) <0.001
Elixhauser comorbidity score, mean ± sd 6.32 (10.78) 1.31 (4.35) 10.62 (12.17) 17.52 (16.54) 11.62 (12.05) <0.001
Prior myocardial infarction or heart failure, n (%) 49 (11.1) 4 (1.8) 27 (19.7) 8 (32.0) 10 (19.2) <0.001
Prior COPD or asthma, n (%) 70 (15.8) 27 (11.8) 28 (20.4) 6 (24.0) 9 (17.3) 0.101
ACE inhibitor use, n (%) 31 (7.0) 11 (4.8) 15 (10.9) 1 (4.0) 4 (7.7) 0.15
Angiotensin receptor blocker use, n (%) 41 (9.3) 13 (5.7) 15 (10.9) 4 (16.0) 9 (17.3) 0.026

* P values are for between-group comparisons using the ANOVA test for continuous variables and the chi-square test for categorical variables.

A total of 29 patients were missing race data and 33 patients were missing ethnicity data.