Variables | Missing values, n (%) | Absolute standardized differences | Odd ratio (95% confidence interval), p value by logistic regression | |
---|---|---|---|---|
Univariate | Multivariable | |||
Age (per year) | 0 | 60.5 | 1.04 (1.02–1.06), p < 0.001 | 1.03 (1.01–1.05), p = 0.017 |
SAPS II (per point) | 0 | 26.9 | 1.02 (1.0–1.03), p = 0.048 | I/NR |
Mc Cabe class II (yes vs. no) | 0 | 51.8 | 4.7 (2.1–10.3), p < 0.001 | 4.2 (1.8–9.9), p = 0.001 |
Cancer or hematological malignancy (yes vs. no) | 0 | 47 | 3.5 (1.7–7.2), p = 0.001 | NI |
Cardiac disease (yes vs. no) | 0 | 55.1 | 3.3 (1.1–3.3), p < 0.001 | 2.2 (1.1–4.4), p = 0.02 |
Left ventricle ejection fraction at cardiac ultrasound (%), | 44 (18%) | 52.9 | 0.96 (0.93–0.98), p < 0.001 | NI |
Supra-ventricular arrhythmias (yes vs. no) | 0 | 35.8 | 2.3 (1.3–4.2), p = 0.007 | NI |
Acute respiratory failure as cause of intubation (yes vs. no) | 0 | 31.9 | 1.9 (1.3–3.9), p = 0.02 | 1.8 (0.98–3.2), p = 0.059 |
Dialysis (yes vs. no) | 0 | 31.5 | 2.5 (1.2–5.4), p = 0.02 | 2.0 (0.9–4.6), p = 0.088 |
Serum Creatinine (per µmol/L) | 0 | 25.8 | 1.0 (0.99–1.00), p = 0.20 | NI |
Septic shock (yes vs. no) | 0 | 25.4 | 1.7 (0.98–2.9), p = 0.06 | I/NR |
ARDS (yes vs. no) | 0 | 22.2 | 1.7 (0.91–3.1), p = 0.098 | I/NR |
Duration of MV before first SBT (per day) | 0 | 19 | 1.04 (0.99–1.1), p = 0.15 | NI |