Table 3.
Multivariate Cox regression Analyses of Factors Affecting All-Cause Mortality Within 28 Days After ICU With APE.
| Variable | 28-day mortality, N = 169 (16.1%) | HR | 95% CI | P |
|---|---|---|---|---|
| Spo2 (%) | 96.7 (94.8-98.3) | 0.91 | 0.87-0.94 | <0.001 |
| Malignancy (n (%)) | 93 (55.0%) | 2.53 | 1.84-3.47 | <0.001 |
| Renal failure (n (%)) | 21 (12.4%) | 0.60 | 0.37-0.97 | 0.038 |
| WBC | 13.3 (10.4-17.6) | 1.01 | 1.00-1.01 | 0.008 |
| Glucose, mg/dL | 113.8 (117.0-153.5) | 1.01 | 1.004-1.008 | <0.001 |
| Vasopressor Use (n (%)) | 63 (37.3%) | 1.54 | 1.06-2.24 | 0.024 |
| SAPSII | 46 (37-59) | 1.07 | 1.06-1.09 | <0.001 |
| SOFA | 5 (3-7) | 0.93 | 0.88-1.00 | 0.043 |
| Hospital LOS (days) | 7.8 (3.9-12.4) | 0.89 | 0.86-0.92 | <0.001 |
| ICU LOS (days) | 3.1 (1.6-6.8) | 1.05 | 1.01-1.10 | 0.016 |
| B/A Ratio (mg/g) | 10.3 (7.0-15.9) | 1.07 | 1.05-1.09 | <0.001 |
Abbreviations: SpO2, pulse oxygen saturation; WBC, white blood cell; SAPSII, simplified acute physiology score II; SOFA, sequential organ failure assessment; LOS, length of stay; ICU, intensive care unit; B/A Ratio, blood urea nitrogen to serum albumin ratio; HR, hazard ratio; CI, confidence interval.