Table 1.
Main characteristics and outcomes and comparison depending on vital status at the end of ICU stay.
| Variables | N(%) or median (IQR) | ICU survivors N = 69 |
ICU non-survivors N = 30 |
p |
|---|---|---|---|---|
| Age (years) | 71 [60.6; 76.2] | 68.9 [58.7; 75.9] | 73.9 [67.6; 78] | 0.02 |
| Sex (Male) | 64 (64.6) | 45 (65.2) | 19 (63.3) | 0.86 |
| BMI (kg/m2) | 29.4 [25.5; 32.7] | 29.7 [25.8; 32.9] | 29.2 [25.5; 32.4] | 0.92 |
| BMI >30 kg/m2 | 45 (45.5) | 31 (44.9) | 14 (46.7) | 0.87 |
| Comorbidities | ||||
| Cardio-vascular | 15 (15.2) | 6 (8.7) | 9 (30) | <0.01 |
| Respiratory | 5 (5.1) | 3 (4.3) | 2 (6.7) | 0.63 |
| Renal | 6 (6.1) | 2 (2.9) | 4 (13.3) | 0.05 |
| Liver | 1 (1) | 0 (0) | 1 (3.3) | 0.13 |
| Immunocompromised host | 15 (15.2) | 10 (14.5) | 5 (16.7) | 0.78 |
| Diabetes | 15 (15.2) | 12 (17.4) | 3 (10) | 0.35 |
| Time from first symptoms to ICU admission | 9 [7; 11] | 9 [8; 11] | 7.5 [5; 9] | <0 0.01 |
| On admission (Day 1 or Day 2) | ||||
| Steroids | 86 (86.9) | 60 (87) | 26 (86.7) | 0.97 |
| Diuretics | 84 (84.8) | 58 (84.1) | 26 (86.7) | 0.74 |
| SAPS II | 32 [22; 41] | 32 [22; 41] | 33.5 [22; 44] | 0.55 |
| SOFA score | 4 [3; 6] | 4 [3; 5] | 5 [4; 6] | 0.03 |
| PaO2/FiO2 | 86.9 [68; 138.8] | 92.7 [76.3; 140] | 86 [61.1; 109.2] | 0.24 |
| Invasive mechanical ventilation | 7 (7.1) | 6 (8.7) | 1 (3.3) | 0.34 |
| High Flow Nasal Canula | 58 (58.6) | 35 (50.7) | 23 (76.7) | 0.02 |
| Vasopressors | 7 (7.1) | 5 (7.2) | 2 (6.7) | 0.92 |
| Treatments during ICU stay | ||||
| Invasive mechanical ventilation | 31 (31.3) | 11 (15.9) | 20 (66.7) | <0.01 |
| Renal replacement therapy | 8 (8.1) | 2 (2.9) | 6 (20) | <0.01 |
| Vasopressors | 28 (28.3) | 10 (14.5) | 18 (60) | <0.01 |
| Diuretics | 96 (97) | 66 (95.7) | 30 (100) | 0.25 |
| ICU LOS | 8 [5; 14] | 7 [5; 10] | 15 [7; 24] | <0.01 |
| Hospital LOS | 17 [11; 28] | 17 [11.5; 29] | 15.5 [9; 24] | 0.30 |
| ICU Death | 30 (30.3) | |||
ICU: Intensive Care Unit; IQR: Interquartile; P: pvalue; BMI: Body Mass Index; SAPS: Simplified Acute Physiology Score; SOFA: Sequential Organ Failure Assessment; LOS: Length of stay.