Table 1.
Baseline characteristics of study participants
| Age (years) | 57 (16) |
|---|---|
| Sex | |
| Female | 85 (33.2%) |
| Male | 170 (66.8%) |
| Vaccinated | 51 (20.0%) |
| Race | |
| White | 44 (17.2%) |
| American Indian/Alaska Native | 2 (0.8%) |
| Asian | 45 (17.6%) |
| Black/African-American | 22 (8.6%) |
| Native Hawaiian/Other Pacific Islander | 8 (3.1%) |
| Other/Multiple, refused, or unknown | 1 34 (52.3%) |
| Ethnicity | |
| Hispanic/Latino | 136 (53.5%) |
| Not Hispanic/Latino | 115 (44.9%) |
| Patient Refused or unknown | 4 (1.6%) |
| BMI (kg/m2) | 29.9 (25.4–35.4) |
| Baseline O2 saturation (n = 254) | 95 (90–97) |
| Baseline WHO ordinal scale | |
| Hospitalized, No O2 | 46 (18.0%) |
| NC < 6L | 93 (36.5%) |
| > 6L, HFNO, or NIV | 57 (22.4%) |
| MV | 10 (3.9%) |
| MV + organ support | 49 (19.2%) |
| Symptom duration (days) (n = 236) | 8 (5–10) |
| Cigarette smoker (n = 254) | |
| Never | 161 (63.4%) |
| Former | 57 (22.4%) |
| Current | 21 (8.3%) |
| Unknown | 15 (5.9%) |
| Vaping (n = 254) | |
| Never | 172 (67.7%) |
| Current | 2 (0.8%) |
| Unknown | 80 (31.5%) |
| Hypertension (n = 255) | 126 (49.6%) |
| CKD (n = 255) | 38 (15.0%) |
| Diabetes (n = 244) | 93 (38.1%) |
| Immunosuppression | 39 (15.3%) |
For variables with missing observations, the number complete is indicated in parentheses. Categorical data are presented as n (%). Normally distributed continuous data are presented as mean (SD). Non-normally distributed continuous data are presented as median (IQR)
BMI body mass index, CKD chronic kidney disease, WHO World Health Organization