Table 1.
Baseline characteristics, compared with patients who were symptomatic and asymptomatic at presentation
| Variables | All patients (n=183) | Symptomatic (n=93) | Asymptomatic (n=90) | P |
|---|---|---|---|---|
| Age | 49.97±12.99 | 50.14±12.43 | 49.79±13.62 | 0.856 |
| Male | 118 (64.5%) | 57 (61.3%) | 61 (67.8%) | 0.359 |
| Coexisting conditions | ||||
| Hypertension | 140 (76.5%) | 71 (76.3%) | 69 (76.7%) | 0.959 |
| Diabetes mellitus | 62 (33.9%) | 30 (32.3%) | 32 (35.6%) | 0.643 |
| Heart failure | 45 (24.6%) | 20 (21.5%) | 25 (27.8%) | 0.325 |
| COPD/asthma | 11 (6%) | 4 (4.3%) | 7 (7.8%) | 0.323 |
| Laboratory features | ||||
| NLR | 3.2 (2.21-5.9) | 3.2 (2.18-6.54) | 3.2 (2.31-5.66) | 0.880 |
| CRP (mg/L) | 27.6 (7.4-93) | 56.8 (13.4-105) | 13.65 (4.95-43.32) | <0.001 |
| LDH (IU/L) | 288 (209-387) | 321 (219.5-416) | 257.5 (203.5-344.25) | 0.011 |
| Ferritin (ng/mL) | 1,092 (519.5-2,000) | 1,395 (668-2,000) | 808 (449.75-1,700) | 0.003 |
| Imaging findings | ||||
| Not suggestive of COVID-19 | 81 (0.44.5%) | 31 (33.3%) | 50 (56.2%) | <0.001 |
| Grade 1 | 49 (26.9%) | 20 (21.5%) | 29 (32.6%) | |
| Grade 2 | 28 (15.4%) | 22 (23.7%) | 6 (6.7%) | |
| Grade 3 | 15 (8.2%) | 14 (15.1%) | 1 (1.1%) | |
| Grade 4 | 9 (4.9%) | 6 (6.5%) | 3 (3.4%) | |
| Dialysis details | ||||
| Dialysis access | ||||
| Permanent access | 139 (76%) | 66 (71%) | 73 (81.1%) | 0.108 |
| Temporary HD catheter | 43 (23.5%) | 26 (28%) | 17 (18.9%) | 0.148 |
| Dialysis vintage (months) | 18 (6-36) | 16 (6-36) | 24 (6.75-39) | 0.152 |
| Mean dialysis sessions | 2 (1-3) | 2 (2-3) | 2 (1-3) | 0.136 |
| Outcomes | ||||
| Need for respiratory support | 59 (32.2%) | 52 (55.9%) | 7 (7.8%) | <0.001 |
| Duration of hospitalization (days) | 8 (6-11) | 8.5 (6-11) | 8 (5-10) | 0.044 |
| Time to swab negativity (days) | 8 (5-11) | 8 (6-11) | 7 (5-11) | 0.071 |
| Mortality | 24 (13.1%) | 19 (20.4%) | 5 (5.6%) | 0.003 |
COPD=chronic obstructive pulmonary disease; COVID-19=coronavirus disease 2019; HIV=human immunodeficiency virus; NLR=neutrophil-lymphocyte ratio; CRP=C-reactive protein; LDH=lactate dehydrogenase; HD=hemodialysis. Data are presented as n (%), mean±SD, or median (interquartile range). Statistically significant results are in bold