TABLE 1.
Baseline Characteristics
| Baseline Characteristics | Entire Cohort n = 64 | Survived to Discharge n = 34 | Death Prior to Discharge n = 30 | p |
|---|---|---|---|---|
| Age, yr, mean (sd) | 44 (14) | 39 (14) | 51 (13) | 0.0007 |
| Gender, n (%), male | 44 (69) | 23 (68) | 21 (70) | 1.0 |
| Body mass index, mean (sd) | 30.7 (7.2) | 32.1 (8.1) | 29.2 (5.7) | 0.1 |
| Hypertension, n (%) | 11 (17.1) | 7 (20.6) | 4 (13.3) | 0.5 |
| Diabetes, n (%) | 11 (17) | 5 (14.7) | 6 (20) | 0.4 |
| Prior myocardial infarction, n (%) | 2 (3.1) | 0 (0) | 2 (6.7) | 0.2 |
| Congestive heart failure, n (%) | 4 (6.3) | 2 (5.9) | 2 (6.7) | 1 |
| Coronary artery disease, n (%) | 3 (4.7) | 2 (5.8) | 1 (3.3) | 1 |
| Peripheral vascular disease, n (%) | 2 (3.1) | 1 (2.9) | 1 (3.3) | 1 |
| Cerebral vascular accident, n (%) | 0 (0) | 0 (0) | 0 (0) | n/a |
| Chronic obstructive pulmonary disease, n (%) | 5 (7.8) | 2 (5.8) | 3 (10) | 0.4 |
| Reactive airway disease, n (%) | 3 (4.7) | 2 (5.9) | 1 (3.3) | 1 |
| Interstitial lung disease, n (%) | 16 (25) | 9 (26) | 7 (23) | 1 |
| Chronic kidney disease, n (%) | 3 (4.7) | 1 (2.9) | 2 (6.7) | 0.6 |
| Liver disease, n (%) | 3 (4.7) | 2 (5.9) | 1 (3.3) | 1 |
| Malignancy, n (%) | 5 (7.8) | 1 (2.9) | 4 (13.3) | 0.2 |
| Hepatitis C virus, n (%) | 3 (4.7) | 2 (5.8) | 1 (3.3) | 1 |
| Charlson Comorbidity Score, mean (sd) | 1.3 (1.4) | 0.8 (1.0) | 1.9 (1.5) | 0.0008 |
| Simplified Acute Physiology Score II score, mean (sd) | 37.8 (9.5) | 36.3 (10.2) | 39.5 (8.5) | 0.18 |
| Sequential Organ Failure Assessment score, mean (sd) | 8.3 (3.2) | 9 (3.5) | 7.6 (2.8) | 0.08 |
| Number of patients on vasopressora, n (%) | 38 (60) | 22 (65) | 21 (70) | 0.6 |
| Number of patients on inotropesa, n (%) | 14 (22) | 9 (26) | 5 (17) | 0.5 |
| Prone positioning, n (%) | 30 (47) | 15 (44) | 15 (50) | 0.8 |
| Days intubated prior to cannulation, mean (sd) | 4.3 (0.6) | 4.4 (0.9) | 4.2 (0.7) | 0.8 |
| Serum creatininea, mean (sd) | 1.7 (1.2) | 1.7 (1.3) | 1.6 (1.2) | 0.5 |
| Serum albumina, mean (sd) | 2.3 (0.8) | 2.5 (0.9) | 2.1 (0.6) | 0.04 |
| Hemoglobina, mean (sd) | 9.9 (2.0) | 10.1 (1.9) | 9.7 (2.3) | 0.4 |
| pHa, mean (sd) | 7.2 (0.1) | 7.2 (0.2) | 7.3 (0.1) | 0.6 |
| Po2a, mean (sd) | 61 (12.7) | 60 (12.3) | 61 (13.1) | 0.9 |
| Pco2a, mean (sd) | 63 (23.9) | 60 (23.5) | 66 (24.4) | 0.3 |
| Po2/Fio2a, mean (sd) | 63 (22.8) | 58 (20.8) | 69 (23.9) | 0.05 |
aLast known value prior to cannulation.