Table 1.
Study population characteristics.
| Respiratory support | ||||
|---|---|---|---|---|
| Characteristic | Overall, n = 501 | no, n = 121 | yes, n = 381 | p-value2 |
| BMI | 29.12 (7.01) | 23.83 (5.11) | 30.79 (6.74) | 0.003 |
| Age | 68.00 (15.24) | 60.83 (19.52) | 70.26 (13.12) | 0.15 |
| Male (%) | 25/50 (50) | 5/12 (42) | 20/38 (53) | 0.5 |
| Ethnicity | ||||
| Caucasian (%) | 32/50 (64) | 5/12 (42) | 27/38 (71) | 0.089 |
| Black (%) | 5/50 (10) | 2/12 (17) | 3/38 (7.9) | 0.6 |
| Asian (%) | 2/50 (4.0) | 2/12 (17) | 0/38 (0) | 0.054 |
| Other (%) | 11/50 (22) | 3/12 (25) | 8/38 (21) | >0.9 |
| Hispanic or Latino (%) | 38/50 (76) | 7/12 (58) | 31/38 (82) | 0.13 |
| CCI | 4.50 (2.58) | 3.75 (3.05) | 4.74 (2.41) | 0.2 |
| Hypertension (%) | 33/50 (66) | 7/12 (58) | 26/38 (68) | 0.7 |
| Diabetes (%) | 18/50 (36) | 5/12 (42) | 13/38 (34) | 0.7 |
| Asthma (%) | 8/50 (16) | 1/12 (8.3) | 7/38 (18) | 0.7 |
| COPD (%) | 10/50 (20) | 2/12 (17) | 8/38 (21) | >0.9 |
| OSA (%) | 3/50 (6.0) | 0/12 (0) | 3/38 (7.9) | >0.9 |
| Smoker, current (%) | 1/50 (2.0) | 1/12 (8.3) | 0/38 (0) | 0.2 |
| Smoker, former (%) | 21/50 (42) | 3/12 (25) | 18/38 (47) | 0.2 |
| COVID fatality (%) | 8/50 (16) | 0/12 (0) | 8/38 (21) | 0.2 |
| Diversity measures | ||||
| Shannon | 2.25 (0.62) | 2.50 (0.35) | 2.17 (0.66) | 0.2 |
| Simpson | 0.80 (0.13) | 0.86 (0.04) | 0.78 (0.15) | 0.3 |
| Inverse Simpson | 7.04 (3.69) | 7.70 (2.39) | 6.83 (4.02) | 0.3 |
1
Mean (SD); n/N (%).
2
Wilcoxon Rank Sum test; Fisher’s exact test; Pearson’s Chi-squared test.
CCI, Charlson Comorbidity Index; COPD, chronic obstructive pulmonary disease; OSA, obstructive sleep apnea.