Table 1.
Characteristics of the study population in ICU survivors and ICU nonsurvivors
| ICU survivors (n = 57) | ICU nonsurvivors (n = 33) | p value for difference | |
|---|---|---|---|
| Age, year | 62 (±12) | 69 (±10) | 0.006 |
| Gender, men | 42 (74%) | 28 (85%) | 0.220 |
| Time of ICU stay, days* | 22 (17) | 13 (9) | 0.001 |
| Body mass index, kg/m2 | 27.9 (±4.2) | 27.2 (±4.0) | 0.430 |
| Admission location: | |||
| Emergency room | 12 (21%) | 8 (24%) | 0.600‡ |
| Ward | 28 (49%) | 15 (45%) | 0.740 |
| Transfer from other hospital | 17 (30%) | 10 (30%) | 0.960 |
| Previous myocardial infarction | 1 (2%) | 5 (15%) | 0.020‡ |
| Cardiomyopathy/LV dysfunction | 2 (4%) | 0 (0%) | 0.530‡ |
| Coronary artery disease | 3 (5%) | 5 (15%) | 0.140‡ |
| Chronic renal disease | 1 (2%) | 1 (3%) | 1.00‡ |
| Presence of any cardiovascular risk factor§ | 25 (44%) | 21 (64%) | 0.070 |
| Apache II score, points | 15 (5.5) | 18 (5.8) | 0.040 |
| Mean arterial pressure, mm Hg (lowest in first 24 h) | 61.8 (23.9) | 63.2 (13.0) | 0.760 |
| Hydroxychloroquine administered | 38 (67%) | 23 (69%) | 0.880 |
Data are presented as mean (SD) or count (percentage), unless indicated otherwise. Differences were tested using the independent-samples t test or Pearson's chi-square test unless indicated otherwise.
ICU = intensive care unit.
⁎
Median and first and third quartiles.
‡
Fisher's exact test.
§
Diabetes mellitus, hypertension, dyslipidemia, smoking, obesity.